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Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.

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Z-Flex

Z-Flex Z-Vent Stainless Steel Venting is the perfect choice for tankless water heaters and boilers. Z-Flex Z-Vent is rated AL29-4C and is approved for Category I (vertical only), II, III & IV applications and is designed for use with boilers, high efficiency gas and oil heaters and water heaters where cool flue gases are vented under pressure. Z-Vent contains a built-in, fail-safe gasket and locking band connection. No sealant is required.

Z-Flex Z-Dens Polypropylene vent pipe is ULC S636 certified for use with high efficiency condensing oil and gas fired heating appliances having flue gas temperatures up to 230°F (110°C). Specially developed, fire retardant Polypropylene. Cat II, IV Special Gas Vent. Gas Vent BH, Class IIc. Suitable for use with negative and positive pressure appliances.

59 Item(s)

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  1. Z-Flex Z-Vent 32" Wall Support Stainless Steel Venting (2SVDWS32)

    Z-Flex Z-Vent 32" Wall Support (2SVDWS32)

    Z-Flex Z-Vent 32" Wall Support (2SVDWS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,973.10

    Special Price: $1,578.48

    Details
  2. Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Single Walled. Can be cut to length Learn More

    Regular Price: $1,850.74

    Special Price: $1,480.60

    Details
  3. Z-Flex Z-Vent 30" Wall Support Stainless Steel Venting (2SVDWS30)

    Z-Flex Z-Vent 30" Wall Support (2SVDWS30)

    Z-Flex Z-Vent 30" Wall Support (2SVDWS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,716.61

    Special Price: $1,373.28

    Details
  4. Z-Flex Z-Vent 28" Wall Support Stainless Steel Venting (2SVDWS28)

    Z-Flex Z-Vent 28" Wall Support (2SVDWS28)

    Z-Flex Z-Vent 28" Wall Support (2SVDWS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,493.44

    Special Price: $1,194.75

    Details
  5. Z-Flex Z-Vent 26" Wall Support Stainless Steel Venting (2SVDWS26)

    Z-Flex Z-Vent 26" Wall Support (2SVDWS26)

    Z-Flex Z-Vent 26" Wall Support (2SVDWS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,299.29

    Special Price: $1,039.43

    Details
  6. Z-Flex Z-Vent 32" Base Support Stainless Steel Venting (2SVDBS32)

    Z-Flex Z-Vent 32" Base Support (2SVDBS32)

    Z-Flex Z-Vent 32" Base Support (2SVDBS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,177.13

    Special Price: $941.70

    Details
  7. Z-Flex Z-Dens 3" Flexible Liner (2ZDFL823)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL823)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL823)

    Single Walled. Can be cut to length Learn More

    Regular Price: $1,056.56

    Special Price: $845.25

    Details
  8. Z-Flex Z-Vent 24" Wall Support Stainless Steel Venting (2SVDWS24)

    Z-Flex Z-Vent 24" Wall Support (2SVDWS24)

    Z-Flex Z-Vent 24" Wall Support (2SVDWS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,043.18

    Special Price: $834.54

    Details
  9. Z-Flex Z-Vent 30" Base Support Stainless Steel Venting (2SVDBS30)

    Z-Flex Z-Vent 30" Base Support (2SVDBS30)

    Z-Flex Z-Vent 30" Base Support (2SVDBS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $1,034.43

    Special Price: $827.54

    Details
  10. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVSWS14)

    Z-Flex Z-Vent 24" Wall Support (2SVSWS24)

    Z-Flex Z-Vent 24" Wall Support (2SVSWS24)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $961.81

    Special Price: $769.45

    Details
  11. Z-Flex Z-Vent 32" Storm Collar Stainless Steel Venting (2SVDLS32)

    Z-Flex Z-Vent 32" Storm Collar (2SVDLS32)

    Z-Flex Z-Vent 32" Storm Collar (2SVDLS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $949.39

    Special Price: $759.52

    Details
  12. Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Single Walled. Can be cut to length Learn More

    Regular Price: $925.37

    Special Price: $740.30

    Details
  13. Z-Flex Z-Vent 28" Base Support Stainless Steel Venting (2SVDBS28)

    Z-Flex Z-Vent 28" Base Support (2SVDBS28)

    Z-Flex Z-Vent 28" Base Support (2SVDBS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $916.42

    Special Price: $733.14

    Details
  14. Z-Flex Z-Vent 8" Wall Support Stainless Steel Venting (2SVDWS08)

    Z-Flex Z-Vent 8" Wall Support (2SVDWS08)

    Z-Flex Z-Vent 8" Wall Support (2SVDWS08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $914.43

    Special Price: $731.55

    Details
  15. Z-Flex Z-Vent 22" Wall Support Stainless Steel Venting (2SVDWS22)

    Z-Flex Z-Vent 22" Wall Support (2SVDWS22)

    Z-Flex Z-Vent 22" Wall Support (2SVDWS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $907.13

    Special Price: $725.71

    Details
  16. Z-Flex Z-Vent 30" Storm Collar Stainless Steel Venting (2SVDLS30)

    Z-Flex Z-Vent 30" Storm Collar (2SVDLS30)

    Z-Flex Z-Vent 30" Storm Collar (2SVDLS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $825.96

    Special Price: $660.78

    Details
  17. Z-Flex Z-Vent 32" Firestop with Support Stainless Steel Venting (2SVDFSS32)

    Z-Flex Z-Vent 32" Firestop with Support (2SVDFSS32)

    Z-Flex Z-Vent 32" Firestop with Support (2SVDFSS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $818.71

    Special Price: $654.97

    Details
  18. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVSWS14)

    Z-Flex Z-Vent 22" Wall Support (2SVSWS22)

    Z-Flex Z-Vent 22" Wall Support (2SVSWS22)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $816.02

    Special Price: $652.81

    Details
  19. Z-Flex Z-Vent 26" Base Support Stainless Steel Venting (2SVDBS26)

    Z-Flex Z-Vent 26" Base Support (2SVDBS26)

    Z-Flex Z-Vent 26" Base Support (2SVDBS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $797.30

    Special Price: $637.84

    Details
  20. Z-Flex Z-Vent 20" Wall Support Stainless Steel Venting (2SVDWS20)

    Z-Flex Z-Vent 20" Wall Support (2SVDWS20)

    Z-Flex Z-Vent 20" Wall Support (2SVDWS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $771.47

    Special Price: $617.18

    Details
  21. Z-Flex Z-Vent 8" Base Support Stainless Steel Venting (2SVDBS08)

    Z-Flex Z-Vent 8" Base Support (2SVDBS08)

    Z-Flex Z-Vent 8" Base Support (2SVDBS08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $726.13

    Special Price: $580.91

    Details
  22. Z-Flex Z-Vent 28" Storm Collar Stainless Steel Venting (2SVDLS28)

    Z-Flex Z-Vent 28" Storm Collar (2SVDLS28)

    Z-Flex Z-Vent 28" Storm Collar (2SVDLS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $718.59

    Special Price: $574.87

    Details
  23. Z-Flex Z-Vent 30" Firestop with Support Stainless Steel Venting (2SVDFSS30)

    Z-Flex Z-Vent 30" Firestop with Support (2SVDFSS30)

    Z-Flex Z-Vent 30" Firestop with Support (2SVDFSS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $712.29

    Special Price: $569.83

    Details
  24. Z-Flex Z-Dens 2" Flexible Liner (2ZDFL822)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL822)

    Z-Flex Z-Dens 2" Flexible Liner (2ZDFL822)

    Single Walled. Can be cut to length Learn More

    Regular Price: $703.96

    Special Price: $563.18

    Details
  25. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVSWS14)

    Z-Flex Z-Vent 20" Wall Support (2SVSWS20)

    Z-Flex Z-Vent 20" Wall Support (2SVSWS20)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $694.53

    Special Price: $555.62

    Details
  26. Z-Flex Z-Vent 14" Base Support Stainless Steel Venting (2SVSBS14)

    Z-Flex Z-Vent 24" Base Support (2SVSBS24)

    Z-Flex Z-Vent 24" Base Support (2SVSBS24)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $692.50

    Special Price: $554.00

    Details
  27. Z-Flex Z-Vent 18" Wall Support Stainless Steel Venting (2SVDWS18)

    Z-Flex Z-Vent 18" Wall Support (2SVDWS18)

    Z-Flex Z-Vent 18" Wall Support (2SVDWS18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $655.24

    Special Price: $524.18

    Details
  28. Z-Flex Z-Vent 24" Base Support Stainless Steel Venting (2SVDBS24)

    Z-Flex Z-Vent 24" Base Support (2SVDBS24)

    Z-Flex Z-Vent 24" Base Support (2SVDBS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $637.84

    Special Price: $510.27

    Details
  29. Z-Flex Z-Vent 28" Firestop with Support Stainless Steel Venting (2SVDFSS28)

    Z-Flex Z-Vent 28" Firestop with Support (2SVDFSS28)

    Z-Flex Z-Vent 28" Firestop with Support (2SVDFSS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $619.69

    Special Price: $495.75

    Details
  30. Z-Flex Z-Vent 26" Storm Collar Stainless Steel Venting (2SVDLS26)

    Z-Flex Z-Vent 26" Storm Collar (2SVDLS26)

    Z-Flex Z-Vent 26" Storm Collar (2SVDLS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $600.16

    Special Price: $480.13

    Details
  31. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVSWS14)

    Z-Flex Z-Vent 18" Wall Support (2SVSWS18)

    Z-Flex Z-Vent 18" Wall Support (2SVSWS18)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $589.24

    Special Price: $471.39

    Details
  32. Z-Flex Z-Vent 32" Firestop Spacer Stainless Steel Venting (2SVDFS32)

    Z-Flex Z-Vent 32" Firestop Spacer (2SVDFS32)

    Z-Flex Z-Vent 32" Firestop Spacer (2SVDFS32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $588.09

    Special Price: $470.47

    Details
  33. Z-Flex Z-Vent 22" Base Support Stainless Steel Venting (2SVDBS22)

    Z-Flex Z-Vent 22" Base Support (2SVDBS22)

    Z-Flex Z-Vent 22" Base Support (2SVDBS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $575.07

    Special Price: $460.06

    Details
  34. Z-Flex Z-Vent 16" Wall Support Stainless Steel Venting (2SVDWS16)

    Z-Flex Z-Vent 16" Wall Support (2SVDWS16)

    Z-Flex Z-Vent 16" Wall Support (2SVDWS16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $556.83

    Special Price: $445.46

    Details
  35. Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Z-Flex Z-Dens 3" Flexible Liner (2ZDFL413)

    Single Walled. Can be cut to length Learn More

    Regular Price: $528.29

    Special Price: $422.63

    Details
  36. Z-Flex Z-Vent 20" Base Support Stainless Steel Venting (2SVDBS20)

    Z-Flex Z-Vent 20" Base Support (2SVDBS20)

    Z-Flex Z-Vent 20" Base Support (2SVDBS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $518.36

    Special Price: $414.69

    Details
  37. Z-Flex Z-Vent 26" Firestop with Support Stainless Steel Venting (2SVDFSS26)

    Z-Flex Z-Vent 26" Firestop with Support (2SVDFSS26)

    Z-Flex Z-Vent 26" Firestop with Support (2SVDFSS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $517.56

    Special Price: $414.05

    Details
  38. Z-Flex Z-Vent 24" Storm Collar Stainless Steel Venting (2SVDLS24)

    Z-Flex Z-Vent 24" Storm Collar (2SVDLS24)

    Z-Flex Z-Vent 24" Storm Collar (2SVDLS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $515.64

    Special Price: $412.51

    Details
  39. Z-Flex Z-Vent 30" Firestop Spacer Stainless Steel Venting (2SVDFS30)

    Z-Flex Z-Vent 30" Firestop Spacer (2SVDFS30)

    Z-Flex Z-Vent 30" Firestop Spacer (2SVDFS30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $511.62

    Special Price: $409.30

    Details
  40. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVSWS14)

    Z-Flex Z-Vent 16" Wall Support (2SVSWS16)

    Z-Flex Z-Vent 16" Wall Support (2SVSWS16)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $502.17

    Special Price: $401.74

    Details
  41. Z-Flex Z-Vent 14" Base Support Stainless Steel Venting (2SVDBS14)

    Z-Flex Z-Vent 14" Base Support (2SVDBS14)

    Z-Flex Z-Vent 14" Base Support (2SVDBS14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $493.75

    Special Price: $395.00

    Details
  42. Z-Flex Z-Vent 8" Firestop with Support Stainless Steel Venting (2SVDFSS08)

    Z-Flex Z-Vent 8" Firestop with Support (2SVDFSS08)

    Z-Flex Z-Vent 8" Firestop with Support (2SVDFSS08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $490.51

    Special Price: $392.41

    Details
  43. Z-Flex Z-Vent 18" Base Support Stainless Steel Venting (2SVDBS18)

    Z-Flex Z-Vent 18" Base Support (2SVDBS18)

    Z-Flex Z-Vent 18" Base Support (2SVDBS18)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $465.72

    Special Price: $372.58

    Details
  44. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVDWS14)

    Z-Flex Z-Vent 14" Wall Support (2SVDWS14)

    Z-Flex Z-Vent 14" Wall Support (2SVDWS14)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $460.64

    Special Price: $368.52

    Details
  45. Z-Flex Z-Vent 14" Base Support Stainless Steel Venting (2SVSBS14)

    Z-Flex Z-Vent 16" Base Support (2SVSBS16)

    Z-Flex Z-Vent 16" Base Support (2SVSBS16)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $455.58

    Special Price: $364.47

    Details
  46. Z-Flex Z-Vent 32" Clamp Band Stainless Steel Venting (2SVSCB14)

    Z-Flex Z-Vent 32" Clamp Band (2SVDCB32)

    Z-Flex Z-Vent 32" Clamp Band (2SVDCB32)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $448.34

    Special Price: $358.67

    Details
  47. Z-Flex Z-Vent 28" Firestop Spacer Stainless Steel Venting (2SVDFS28)

    Z-Flex Z-Vent 28" Firestop Spacer (2SVDFS28)

    Z-Flex Z-Vent 28" Firestop Spacer (2SVDFS28)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $445.12

    Special Price: $356.10

    Details
  48. Z-Flex Z-Vent 22" Storm Collar Stainless Steel Venting (2SVDLS22)

    Z-Flex Z-Vent 22" Storm Collar (2SVDLS22)

    Z-Flex Z-Vent 22" Storm Collar (2SVDLS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $439.40

    Special Price: $351.53

    Details
  49. Z-Flex Z-Vent 24" Firestop with Support Stainless Steel Venting (2SVDFSS24)

    Z-Flex Z-Vent 24" Firestop with Support (2SVDFSS24)

    Z-Flex Z-Vent 24" Firestop with Support (2SVDFSS24)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $431.31

    Special Price: $345.05

    Details
  50. Z-Flex Z-Vent 14" Wall Support Stainless Steel Venting (2SVSWS14)

    Z-Flex Z-Vent 14" Wall Support (2SVSWS14)

    Z-Flex Z-Vent 14" Wall Support (2SVSWS14)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $427.25

    Special Price: $341.79

    Details
  51. Z-Flex Z-Vent 16" Base Support Stainless Steel Venting (2SVDBS16)

    Z-Flex Z-Vent 16" Base Support (2SVDBS16)

    Z-Flex Z-Vent 16" Base Support (2SVDBS16)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $419.15

    Special Price: $335.33

    Details
  52. Z-Flex Z-Vent 14" Base Support Stainless Steel Venting (2SVSBS14)

    Z-Flex Z-Vent 14" Base Support (2SVSBS14)

    Z-Flex Z-Vent 14" Base Support (2SVSBS14)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $409.04

    Special Price: $327.23

    Details
  53. Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $405.71

    Special Price: $324.56

    Details
  54. Z-Flex Z-Vent 12" Wall Support Stainless Steel Venting (2SVDWS12)

    Z-Flex Z-Vent 12" Wall Support (2SVDWS12)

    Z-Flex Z-Vent 12" Wall Support (2SVDWS12)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $392.66

    Special Price: $314.12

    Details
  55. Z-Flex Z-Vent 30" Clamp Band Stainless Steel Venting (2SVSCB14)

    Z-Flex Z-Vent 30" Clamp Band (2SVDCB30)

    Z-Flex Z-Vent 30" Clamp Band (2SVDCB30)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $390.05

    Special Price: $312.04

    Details
  56. Z-Flex Z-Vent 22" Firestop with Support Stainless Steel Venting (2SVDFSS22)

    Z-Flex Z-Vent 22" Firestop with Support (2SVDFSS22)

    Z-Flex Z-Vent 22" Firestop with Support (2SVDFSS22)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $388.77

    Special Price: $311.02

    Details
  57. Z-Flex Z-Vent 26" Firestop Spacer Stainless Steel Venting (2SVDFS26)

    Z-Flex Z-Vent 26" Firestop Spacer (2SVDFS26)

    Z-Flex Z-Vent 26" Firestop Spacer (2SVDFS26)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $387.26

    Special Price: $309.81

    Details
  58. Z-Flex Z-Vent 20" Storm Collar Stainless Steel Venting (2SVDLS20)

    Z-Flex Z-Vent 20" Storm Collar (2SVDLS20)

    Z-Flex Z-Vent 20" Storm Collar (2SVDLS20)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $386.76

    Special Price: $309.41

    Details
  59. Z-Flex Z-Vent 14" Firestop with Support Stainless Steel Venting (2SVSFSS14)

    Z-Flex Z-Vent 24" Firestop with Support (2SVSFSS24)

    Z-Flex Z-Vent 24" Firestop with Support (2SVSFSS24)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $384.71

    Special Price: $307.77

    Details

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Material of Construction
  1. Stainless Steel AL29-4C (53)
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  1. Flexible (5)
  2. Rigid (54)
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  1. Z-Dens 2" Single-Wall Venting (1)
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  4. Z-Dens 8" Single-Wall Venting (1)
  5. Z-Vent 14" Single-Wall Vent (2)
  6. Z-Vent 16" Single-Wall Vent (2)
  7. Z-Vent 18" Single-Wall Vent (1)
  8. Z-Vent 20" Single-Wall Vent (1)
  9. Z-Vent 22" Single-Wall Vent (1)
  10. Z-Vent 24" Single-Wall Vent (3)
  11. Z-Vent 8" Double-Wall Vent (3)
  12. Z-Vent 12" Double-Wall Vent (1)
  13. Z-Vent 14" Double-Wall Vent (2)
  14. Z-Vent 16" Double-Wall Vent (2)
  15. Z-Vent 18" Double-Wall Vent (2)
  16. Z-Vent 20" Double-Wall Vent (3)
  17. Z-Vent 22" Double-Wall Vent (4)
  18. Z-Vent 24" Double-Wall Vent (4)
  19. Z-Vent 26" Double-Wall Vent (5)
  20. Z-Vent 28" Double-Wall Vent (5)
  21. Z-Vent 30" Double-Wall Vent (6)
  22. Z-Vent 32" Double-Wall Vent (6)
Venting Style
  1. Z-Flex Z-Dens Polypropylene (6)
  2. Z-Flex Z-Vent Dble-Wall SS (43)
  3. Z-Flex Z-Vent Single-Wall SS (10)
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