40"W X 6"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 41.75"W X 7.75"H] Brown polished appearance that adds elegance Ducting Components RG2016 FBA-HP Applications The C box

polished appearance that adds elegance to any room

actual front end outer dimensions are approximately 11

R value rating of insulation - R3

+ Product Details Size - 22"w X 4"h is the size for the duct opening measurement only

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

40"W X 6"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 41.75"W X 7.75"H] Brown polished appearance that adds elegance Ducting Components RG2016 FBA HP Applications The C box polished appearance that adds elegance to any room actual front end outer dimensions are approximately 11