Z-Flex Stainless Steel Gear Clamps, 7HS44XX

Z-Flex constant tension clamps feature a 1/2" wide stainless steel band and 5/16" hex slotted head. They are fully adjustable and ideal for flexible duct connections. They offer anti-shear protection with maximum strength. Not recommended for underground applications. • 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 Available Diameters • 2" (7HS40XX)• 2.75" (7HS44XX)• 3.25" (7HS63XX)• 4.0" (7HS64XX)• 4.5" (7HS72XX) Downloads Z-Vent SVE Series IV Installation and Maintenance Instructions, 3" to 24", Single & Double Wall Z-Vent Dimensional Specifications