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Southwark Metal ATT12 is a 12-inch Air-Tite takeoff collar for connecting insulated flexible duct or round pipe to a flat surface. The collar is constructed of hot-dipped galvanized steel per ASTM A653 CS Type B and includes a 1-1/2 in. wide, 1/8 in. thick neoprene foam gasket (9-3/4 in. diameter), 1-1/2 in. crimp, 5-3/4 in. tube length, and a 4 in. WG pressure rating.
12 in airtight flanged takeoff collar with neoprene gasket for duct-to-surface connections
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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