The ADR and ADF oval access doors for rectangle and round duct are constructed of galvanized steel.
It features:
Synthetic knobs with metal threaded inserts, which prevent thread stripping and provide ease of turning, eliminating need for a wrench.
Cellular sponge gasket permanently bonded to the inside of the door to eliminate leakage.
Quick and easy installation.
Two door sizes for easy stocking (10"x6" and 16"x12").
