14x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 17.75) - 3 Pack Width_26in The 26-gauge metal end cap 4 X 12 Is CRFG2028 Width_14in

The 26-gauge metal end cap is compatible with duct 10"

} + Product Details Size & Compatibility - The size of a boot register end is 14" X 4" X 7" galvanized floor boot end center 26-gauge

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

The grille features counter-sunk screw holes that prevent paint from peeling during installation

and then smoothly drop in the grill

14x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 17.75) 3 Pack Width_26in The 26 gauge metal end cap 4 X 12 Is CRFG2028 Width_14in The 26 gauge metal end cap is compatible with duct 10" } + Product Details Size & Compatibility The size of a boot register end is 14" X 4" X 7" galvanized floor boot end center 26 gauge