14" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 16 5/8" X 27 5/8"] Insulated Line Our coils have a a 10" Round Duct Pipe PrioAir8 actual front end outer

Our coils have a a very high PSI burst pressure

+ Product Details Size – 16"w X 6"h is the size for the duct opening measurement only

High quality – High quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

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+ Product Details Size – 24"w X 20"h is the size for the duct opening measurement only

14" X 25" Steel Return Air Filter Grille for 1" Filter Removable Frame Black [Outer Dimensions: 16 5 8" X 27 5 8"] Insulated Line Our coils have a a 10" Round Duct Pipe PrioAir8 actual front end outer Our coils have a a very high PSI burst pressure + Product Details Size – 16"w X 6"h is the size for the duct opening measurement only