30x20 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) RFG browse the 10x4 aluminum linear

browse the 10x4 aluminum linear slot diffuser

See the 4x10 Brown steel floor register in the same 2-way design

Clean Screw-Mount Install: Pre-drilled mounting holes accept the included screws for a secure

this 8x6 linear slot diffuser fits

If the opening is approximately 10" × 6"

30x20 White Aluminum Modern Air Return Grille with Washable Filter (Duct Opening) RFG browse the 10x4 aluminum linearFITS 30" x 20" DUCT OPENING CHECK BOTH DUCT & FACE SIZE BEFORE ORDERING: This return air grille is listed 30" x 20" by duct opening size the open hole in your wall or ceiling, not the face size. Check (1) duct opening: neck size is 29 3 4" x 19 3 4", slightly smaller than the opening for easy insertion. Make sure there is enough flat surface for a flush fit. Do not order by your old covers face size alone. See our sizing photo for all dimensions.