Ceiling Grille - 3 Cone Step Down Diffuser - 12" x 12" - 8" Collar flat stamped steel built for durability and long LO246 Product Details Size 32 Compatible with Duct 4"

built for durability and long life in mind

+ Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only

+ Product Details Size – 24" x 24" with 12" collar T-Bar drop ceiling perforated return grill - metal back casing

Works for every air conditioning & refrigeration application including ductless mini-split

Ceiling Grille 3 Cone Step Down Diffuser 12" x 12" 8" Collar flat stamped steel built for durability and long LO246 Product Details Size 32 Compatible with Duct 4" built for durability and long life in mind + Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only