20x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 PACK
They accomplished this design with air filters, duct tape, and some LED lighting. Benjamin bought 76 air filters ($1.30 each). Then he bought 12 rolls of duct tape ($3.40 each). Total cost: $140.
FilterBuy AFB MERV 8 14x18x1 Pleated AC Furnace Air Filter (Pack of 4 Filters) 14x18x1 Silver
Filters Delivered has Air Filters for your AC or furnace. Free shipping and save up to 50% on AC and Furnace Air Filters delivered to your home or business.
Nordic Pure 20x25x1M8-6 MERV 8 Pleated AC Furnace Air Filter 20x25x1 Box of 6
20x22x1 MERV 8 Pleated AC Furnace Air Filters. 6 PACK
AFB Platinum MERV 13 20x20x1 Pleated AC Furnace Air Filter. Pack of 6 Filters. 100% produced in the USA.
Nordic Pure 20x25x1 AC Furnace Air Filters MERV 12, Box of 6
2 PACK of #16x20x4 AC Furnace Air Filter MERV 8 | Actual Size: 15-1/2 x 19-1/2 x 3-3/4 | Our MERV 8 Electrostatic Air Filter is convenient to use, easy to replac...