24x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 23.75 x 29.75) - 3 Pack 18in diameter It has blades that prevent

It has blades that prevent water penetration and maximize free area

actual front end outer dimensions are approximately 34 5/8" width X 10 5/8" height

10" x 4" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

actual front end outer dimensions are approximately 10 5/8" width X 28 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 12" OR 12" x 30" 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 It has blades that prevent+ 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