18x36x1 MERV 12 AC Furnace Filters 6 Pack food-&-water-storage - Effective against spider mites

- Effective against spider mites

This can provide more opportunity for nutrient availability and may increase fruit and flower production

resulting in a vigorous plant with more flowers and fruits and increased insect and disease resistance

Sawfly Larvae (Hymenoptera)

Grow seedlings faster with 15-20% more lumens

18x36x1 MERV 12 AC Furnace Filters 6 Pack food-&-water-storage - Effective against spider mitesNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different