Many sizes in stock for quick shipment. Flexible Air Duct. Flexible air duct systems UL Greenguard Gold certified for residential and commercial applica- tions. Complete line of. plenum sized to fit standard Hart & Cooley hot water coils.. .. End View Showing Depth with Valve Open: 265 Floor Return. Air Grille. â€¢ All-steel .
Filter Grilles. Return air FILTER grilles for residential and commercial applications.. 2 and 4 inch frame depth. Custom sizes as well as standard stock available.
A 10" x 6" grille would measure approximately 11 3/4" x 7 3/4" for the outside dimension. Available Sizes: Wondering what size return air grille to order?
Size and capacity of air return intake.. Air Return Intakes - Sizes and Capacities. Size and capacity of air return intake. Sorry to see that you are blocking ads on .