14x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 17.75) - 3 Pack Width_26in + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 18"w X 14"h is the size for the duct opening measurement only

and then smoothly drop in the grill

compatible with duct 18" | 5-Pack of 2' pipe – 10 foot length when connected – 26 gauge thick & made of thick & durable galvanized sheet metal

a 1/4" HVAC fitting

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

14x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 17.75) 3 Pack Width_26in + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 18"w X 14"h is the size for the duct opening measurement only and then smoothly drop in the grill