18x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 17.75) - 3 Pack Hi-Lo Oval Stack Head Crafted from solid aluminum with

Crafted from solid aluminum with no welded edges

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

electronics

This 24" X 6" end cap is constructed with 26-gauge galvanized steel

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18x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 17.75) - 3 Pack Hi-Lo Oval Stack Head Crafted from solid aluminum with+ Product Details 18" x 18" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17. 75" x 17. 75") A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system. The non pleated design provides low airflow resistance while still effectively capturing dirt and particles such as standing dust, spray paint