Carlon B234ADJC Outlet Box, 2 Gang, New Work, 5-5/8-Inch Width by 3-Inch Depth by 3-5/8-Inch Height, Blue The product is 2G ADJ A Box/Knock Out Easy to use The product is manufactured in China Patented design allows for adjustment from 0 to 1-3/4-Inch after installation Ideal for new work or retrofit (old work) applications Backless low voltage bracket and floor box designs available Ideal for various drywall thicknesses and wall finishes Carlon non-metallic boxes feature PVC construction for easier installation