Pad Refills (Pack of 6 Pads) - 16 3/8" x 21 1/2" x 3/4" Quantity:Default UL/ULC listed

UL/ULC listed

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

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

insert the lamp and you‰۪re done

Pad Refills (Pack of 6 Pads) - 16 3/8" x 21 1/2" x 3/4" Quantity:Default UL/ULC listedPACK of 6 pads for Pad and Frame Air Filters 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 outlets. Filtering inserts are shipped in an easily stored packet.