16x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 24.75) - 3 Pack Compatible with Duct 4" Weather and Pest Proof – 14" Round Duct Pipe FR M 414 White For 10 duct opening

Weather and Pest Proof – These louvers are especially designed to prevent water from entering your home

actual front end outer dimensions are approximately 32 5/8" width X 14 5/8" height -

+ Product Details Size – 4"w X 12"h is the size for the duct opening measurement only

+ Product Description Introducing our 14" x 20" or 20" x 14" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

+ Product Details Size – 8"w X 20"h is the size for the duct opening measurement only

16x25x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 24.75) 3 Pack Compatible with Duct 4" Weather and Pest Proof – 14" Round Duct Pipe FR M 414 White For 10 duct opening Weather and Pest Proof – These louvers are especially designed to prevent water from entering your home actual front end outer dimensions are approximately 32 5 8" width X 14 5 8" height