OMWFilter 113 110 Replacement Filter Compatible with AprilAire Air Purifier Models 1110, Merv 13 Whole House Furnace Filters Size 16x20x4, 2-Pack

COMPABILITY: This OMWFilter furnace filter is compatible with AprilAire Whole House Air Purifier Models 1110, also replacement for AprilAire 110 air filter. Please ensure to check your model number before placing an order MERV RATING 13: These HVAC filters feature Merv 11 filtration material, capable of filtering 90% of 3-10μm particles, 85% of 1-3μm particles and 50% of 0.3-1μm particles FOR OPTIMAL PERFORMANCE: The primary cause of filtration inefficiency is clogging of the filters. To ensure optimal performance, it is recommended to replace the filter every 6-12 months, depending on the quality of the air and frequency of use