Pad and Frame Air Filter (1 Frame and 6 Pads) - 21 1/4" x 23 1/2" x 1" Quantity:Default The "Practical Pleat" media is

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

The SpeedLight䋢 Jr

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

It is designed to inhibit growth of bacteria

Pad and Frame Air Filter (1 Frame and 6 Pads) - 21 1/4" x 23 1/2" x 1" Quantity:Default The "Practical Pleat" media isIncludes one Frame and PACK of 6 pads The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts. The permanent frame is constructed of space age plastics that are resistant to corrosion, oxidation and deterioration. Filtering inserts are anti microbial and are more efficient in capturing particles, such as dust, ragweed, pollen, etc., from the air stream, than standard fiberglass filters purchased at retail