Air Conditioning Filter - Furnace Air Filter - Indoor Home Air Filter Frame Kit W/Four Inserts - Green Hospital Hepa Filter Quality 14-inch by 30-inch by 1-inch Patented Filter Frame with Life Time Warranty Use Less Energy 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