24x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 23.75 x 29.75) - 3 Pack 18in diameter + Product Details Size –

+ Product Details Size – 44 x 19 x 32cm

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 12" OR 12" x 30" duct opening (measured at the opening)

It has blades that prevent water penetration and maximize free area

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 18" OR 18" x 26" duct opening (measured at the opening)

24x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 23.75 x 29.75) - 3 Pack 18in diameter + Product Details Size –+ Product Details 24" x 30" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 23. 75" x 29. 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