18x20x1 MaxMERV9 Washable Permanent Electrostatic Air Filter
You asked for it...now it's here! The MaxMERV9 is not just any ordinary washable furnace filter. It is the first lab-certified MERV 9 washable, permanent, electrostatic air filter. That is the highest MERV rating assigned to any washable air filter on the market today. MERV 9 means it filters particles down to 1.0 microns. This include all the common airborne particles that trigger allergy symptoms. MERV 9 is the perfect balance between high dust arrestance and low air resistance.
Traps MOLD, DUST MITE DEBRIS, POLLEN, PET DANDER, SMOKE.
Never Buy Another Filter!
Lab-certified MERV 9 filtration = The HIGHEST MERV RATING OF ANY WASHABLE, PERMANENT AIR FILTER. MERV stands for "Minimum Efficiency Reporting Value" which was developed by ASHRAE. As the MERV value goes up, the filter traps more and smaller airborne particles, however, it also develops more air resistance. MERV 9 is a perfect blend of high dust arrestance and low air resistance.
The only lab-certified MERV 9 electrostatic washable furnace filter. This means it has been tested and traps particles down to 1.0 microns. That includes allergens like Mold, Dust Mite Debris, Pollen, Pet Dander and Smoke. Lab report is available upon request.
Not all electrostatic air filters are equal. This state of the art filter contains cutting edge media that allows for MERV 9 particle arrestance.
Pleated design allows 40% more surface area. This filter does not require electricity. It develops a natural static charge when air passes through it. This charge captures and holds dust and allergens until washed or vacuumed off.
Pays for itself in 1 year. Never buy another filter. Lifetime Warranty. 100% Satisfaction Guarantee
Watch out for overseas counterfeits! A Genuine MaxMERV 9 filter is made in the USA and has a rust-proof aluminum frame, corrugated outer screen and a unique blue and white label.
This 18x20x1 filter follows the industry standard undercut and measures exactly 17-5/8 x 19-5/8 x 7/8 inches.