17x21x1 Exact MERV 13 AC Furnace Filters 6 Pack AC / Dehumidification / Humidification Minimum 3 applications at 5-7

Minimum 3 applications at 5-7 day intervals or shorter in severe infestations

This will shorten the lifespan of the lamp

supermarkets and consumers

Use Sluggo Plus on vegetable gardens

66 Gallons | Thickness Rating: 320G | Quantity: 5-Pack | BPA-Free

17x21x1 Exact MERV 13 AC Furnace Filters 6 Pack AC / Dehumidification / Humidification Minimum 3 applications at 5-7Nordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200