Z-Flex 3" to 24" Double-Wall Thimble, Stainless Steel Adjustable
Use with double-wall pipe going through a combustible wall.
Features:
• Width can be adjusted • No sealant required - has a simple gasketed connection • Offers the highest pressure rating available • The only metallic special gas vent that can be cut on site to desired length • Smooth finish and perfect fit with new fusion-welded pipe seams • Compatible with all Z-Flex Z-Vents • Vent material: AL29-4C stainless steel • Certification: Tested to meet or exceed Underwriters Laboratories (UL) spec UL1738 and ULS636 • Approval: Cat II, III, IV venting • Limited Lifetime Warranty
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