Filtrete 20x30x1 Basic Filter FPL22-2PK-24 Pack of 24

Outperforms figerglass air filters for your furnace, air conditioner or HVAC system Change filter at least every 90 days for optimal performance of your your furnace, air conditioner or HVAC system For residential use only Basic Flat Panel has a rating for MERV 2 Material Fiberglass