Air Conditioning Filter - Furnace Air Filter - Indoor Home Air Filter Frame Kit w/One Insert - Green Hospital Hepa Filter Quality - 12-inch by 30-inch by 1-inch Patented Filter Frame with Life Time Warranty Use Less Engergy And Save Money On Your Air Conditioning Bill Repeat Use of Frame Means Less Waste And Lower Costs Furnace / Air conditioner Filter Decreases Dust - Makes For A Cleaner Home No Washing - Simply Remove and Discard The HVAC Filter