Flanders Flow 14" x 24" x 1" Flat Panel Furnace Air Filter (1 Pack)

Standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years Filtering medium is continuous filament spun glass Frame is made with 1 continuous piece of chipboard to guard against corner separation Maximum air flow Alleviates strain on equipment For peak equipment protection and energy efficiency, the filter should be changed monthly in periods of high use 900 Furnace air filter measures: 14" x 24" x 1" Economically and environmentally friendly frame