CAD

Cost-Effective Design: Inexpensive curved access door for duct systems
Tool-Free Removal: Polyamide knobs allow quick removal and reinstallation without tools
Smart Shape: Curved shape enables back plate to pass through duct openings with ease
Secure Seal: Neoprene gasket on back plate ensures tight sealing
Reinforced Build: Features strengthening ribs, galvanized steel spring, and zinc-plated bolt
Maintenance Access: Provides easy entry into sheet metal ductwork for damper resets, filter cleaning, or routine maintenance

Access door to inspect and maintain circular ventilation ducts.