The RD-5090 has a design that makes access to circular ducts affordable and straightforward. The pull and catch lock mechanism, and the door gasketing, provide a tight seal in the air system with no blockage. The steel continuous piano hinge makes installation a breeze.

Other features you can find include:

Material: 16 gauge galvanized steel.
Lock/Latch: Plated steel pull and catch.
Flange: Hinge mount.
Hinge: Continuous piano hinge.

Contact Acudor now at 1-888-622-8367 to purchase them for your construction projects! We also offer different sizes to ensure they fit perfectly on any roof opening.