10x6 White Steel 2-Way Air Register (Pack of 4) (Duct Opening) 12x12 this 10x4 slim linear slot

this 10x4 slim linear slot diffuser installs cleanly into duct openings with limited cavity depth

accent walls

Duct opening size: 10" × 4" (this is what you measure)

Order by duct opening size — the hole in your wall or ceiling

10x6 White Steel 2-Way Air Register (Pack of 4) (Duct Opening) 12x12 this 10x4 slim linear slotCHECK SIZE BEFORE PURCHASE: The 10" 6" listing refers to your duct opening the hole in your wall or ceiling. Drop in replacement for any 10" 6" wall or ceiling duct opening no remodeling required. Solid steel construction won't crack, warp, or yellow like plastic registers. 2 way airflow lever open, close, or redirect supply air with a finger flick. Wall and ceiling compatible one register, two install scenarios. Classic white powder coated finish