Practical Pleated Air Filter (2-Pack) - 20" x 30 1/4" x 5" Quantity:Default the "A+2000" brand Permanent Washable

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

built to last a lifetime

This design enables A+2000 custom air filters to maintain performance over the years

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

28X Increased Efficiency

Practical Pleated Air Filter (2-Pack) - 20" x 30 1/4" x 5" Quantity:Default the "A+2000" brand Permanent WashableYes, we even have the odd sizes! The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters. In general, the more efficient a filter is at removing particles, the greater it's resistance to airflow, and the greater the pressure drop it creates. One way to overcome this problem is to increase the surface area of the filter media. The "Practical Pleat" contains over 500% greater surface