18x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 23.75) - 3 Pack Adjustable Return Mounting available for PTAC /

Mounting available for PTAC / VTAC applications

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

Actual Filter Size – 33 3/4"w x 7 3/4" x 1"

+ Product Details Size & Compatibility – The size of sheet metal pipe is 10" round x 10' long

Universal Heavy Duty – Fits virtually any air conditioning mini split unit

18x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 23.75) - 3 Pack Adjustable Return Mounting available for PTAC /+ Product Details 18" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17. 75" x 23. 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