ENVISIVENT (CB5001) – PERMANENT MUD-IN FLUSH MOUNTED WALL AIR RETURN, 30” X 8” DUCT Ideal for water shut off

Ideal for water shut off valves

Primed panels ready to accept paint

The adjustable frame adapts to different openings

Flange - Exposed flange

Accessible opening size of 8″ x 8″ (203mm x 203mm)

ENVISIVENT (CB5001) – PERMANENT MUD-IN FLUSH MOUNTED WALL AIR RETURN, 30” X 8” DUCT Ideal for water shut offENVISIVENT (CB5001) PERMANENT MUD IN FLUSH MOUNTED WALL AIR RETURN, 30 X 8 DUCT Designed as a permanent air return for walls Used to finish a standard duct opening of 30 x 6 (762mm x 152mm) or 30 x 8 (762mm x 203mm) Overall product dimensions 32 x 10 x 1 2 (813mm x 254mm x 12mm) Vented opening dimensions 27 x 6 (705mm x 152mm) 48 directionally vented air slots Over 68 square inches (439 square cm) of open vent area Moisture, mold, and water resistant