The A+2000 Permanent Electrostatic Filter is constructed of space-age, non-corrosive materials. It is constructed with a patented 4-stage loading design/peak and valley webbing.
A+2000 Permanenet Electostatic 1″ Filters are MERV 8 rated according to ASHRAE 52.2 standards.
Contains no foam to clog or deteriorate. Cleans easily and effectively – No oil sprays or expensive cleaners required!
Filters for life! Full lifetime warranty for the lifetime of the original purchaser.