Merv 11 Pleated Air Filter - 17 3/8" x 35 1/8" x 1"Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop, and long service life which reduces HVAC equipment maintenance and energy costs. A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter.

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

The SpeedLight䋢 Jr

UL/ULC listed

In general

with each stage capturing progressively smaller particles inside the filter

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

the greater it's resistance to airflow

Magnetic mount holds lamp in place

Includes one Frame and PACK of 6 pads

We look forward to delivering our American-made

The permanent frame is constructed of space-age plastics that are resistant to corrosion

some just refer to them as electrostatic filters