Locks into duct with a turn of the wing-nut handle, compressing both rubber rings for a better seal. Also helps to align the seal off during insertion. 15 psi (1 bar) maximum. *Order Seal Off Body Control Valve and Seal-Off Heads separately.
Unit of Measure
Items
Double Seal-Off Kits

Double Seal-Off Kits

Double Seal-Off Kits

Double Seal-Off Kits
Description N/A Double Seal-Off Kit (2", 3", 3-1/2" & 4" Heads, and Seal-Off Body) N/A Double Seal-Off Kit (4", 5", & 6" Heads, and Seal-Off Body)