Inexpensive curved access door
Polyamid knobs ensure a quick removal/re-installation of the door without the need for any tools
Shape allows the back plate to be passed through the duct openings, and the neoprene gasket on the back plate
Strengthening ribs, galvanized steel spring, zinc plated volt, with neoprene gasket on the back plate for a tight seal
Grants easy access into sheet metal ductwork systems for resetting dampers, cleaning filters, or regular maintenance
| Model | Duct Size (in.) | A | B |
| CAD 200 |
3" to 4" |
8-15/16" (226mm) | 4-9/16" (117mm) |
| CAD 250 |
6" to 8" |
11-1/16" (280mm) | 6-1/2" (166mm) |
| CAD 300 | 10" to 12" | 13-3/16" (333mm) | 8-13/16" (221mm) |