Coming Soon! SUBSCRIBE AND NEVER FORGET TO ORDER AGAIN QUICK REORDER 1/2 inch AC Furnace Air Filters 10x20x1/2 10x24x1/2 10x25x1/2 10x30x1/2 12x12x1/2 12x20x1/2 12x24x1/2 12x25x1/2 12x30x1/2 14x14x1/2 14x20x1/2 14x24x1/2 14x25x1/2 14x30x1/2 16x20x1/2 16x24x1/2 16x25x1/2 16x30x1/2 18x18x1/2 18x24x1/2 20x20x1/2 20x24x1/2 20x25x1/2 20x30x1/2 24x24x1/2 25x25x1/2 Search By Air Filter Depth 1 inch 2 inch 3 inch 4 & 5 inch 6 inch 1/2 inch