• Includes peel off adhesive gasket (1" x 1/8")
• Includes Damper (22, 24, 26, or 28 gauge)
• 4"-9" diameter models are 28 gauge thickness
• 10"-20" diameter models are 26 gauge thickness
• Damper blade available in 28, 26, 24, and 22 gauge metal

Conical fittings are constructed of galvanized sheet metal of lock forming and roll forming quality with riveted construction.

Barrel exit is beaded and crimped

Damper blade can be constructed with 28, 28, 24 or 22 gauge material.

Factory assembled damper hardware

Adhesive backed gasket for fast, airtight installation.