Envisivent Removable Flush Mount Wall Air Return, 30” x 8” (Duct Opening) CB5004

• Designed as a removable air return vent for walls
• Used to finish a standard duct opening of 30″ x 8″ (762mm x 203mm)
• Fits into a drywall opening of 29-1/2″ x 9-3/4″ (749mm x 248mm)
• Overall product dimensions 32″ x 12-1/4″ x 1/2″ (813mm x 311mm x 12mm) 
• Vented opening dimensions 27-3/4″ x 8″ (704mm x 203mm)
• Vent Cover Dimensions:  29-⅜” x 9- 5/8” (737mm x 244mm)
• 48 straight vented air slots
• Over 90 square inches (580 square cm) of open vent area
• 4 magnetic tabs on Vent Cover for easy removal
• Moisture, mold, and water-resistant
• Impact-resistant triple fiber reinforced cement board
• Galvanized satin coated steel frame 
• Primed panels ready to accept paint
• Eco-friendly manufacturing and non-hazardous
• Can be installed on 1/2″ (12mm) or 5/8″ (16mm) drywall