AIRx Filters 18x20x1 Air Filter MERV 13 Pleated HVAC AC Furnace Air Filter; Health 4-Pack Made in the USA

MULTI-PACK OEM AIR FILTER REPLACEMENT COMPATIBLE: AIRx Filters 18x20x1 MERVMERV 13 air filter can replace and/or comparable with Allergen Defense; Clean Living; Healthy Living; Odor Reduction 18x20x1 air filter