Pad and Frame Air Filter (1 Frame and 6 Pads) - 16 3/8" x 21 1/2" x 3/4"Includes 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

these can be purchased in any conceivable size

The filtering media consists of two layers of Stainless Steel roll formed baffles

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

the greater it's resistance to airflow

mold and other fungi

No holes needed for installation in coil area

And there are no metal parts that could lead to corrosion or oxidation within the filter

insert the lamp and you‰۪re done

It is designed to inhibit growth of bacteria

if not you can measure it or check the HVAC unit and the owner‰۪s manual

The SpeedLight uses powerful magnets to hold the mounting plate in place

some just refer to them as electrostatic filters