Pad and Frame Air Filter (1 Frame and 6 Pads) - 19" x 25" x 1" Quantity:Default The "Practical Pleat" contains over

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

with each stage capturing progressively smaller particles inside the filter

Either way

They are easy to install with custom air filters made to the sizes that you specify

To order washable electrostatic custom air filters you just need to know the size of the current air filter

Pad and Frame Air Filter (1 Frame and 6 Pads) - 19" x 25" x 1" Quantity:Default The "Practical Pleat" contains overIncludes 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