The 20x25x1 Purolator Furnace Filters are designed with a consistent pleat shape on predetermined centers causing dirt to collect evenly over the entire surface of the media.
Fully utilizing every square inch results in a slow steady rise in resistance for maximum dust holding capacity. The 20x25x1 Purolator Furnace Filters have lower resistance levels to aid in your energy savings goals and objectives. *sold in pack of 6 only. Individual price: $6.74
