18x36x1 MERV 13 AC Furnace Filters 6 Pack pest-and-disease-control Both form and strength have

Both form and strength have been greatly improved for good machine and manual processing

Mealybugs (Pseudococcidae)

• Easy to clean in 10 minutes

Synthetic chelates can raise the salt-index in a biochemical system and raise the potential for salt build-up and toxicity

Complete Fertilizer for Hydroponics

18x36x1 MERV 13 AC Furnace Filters 6 Pack pest-and-disease-control Both form and strength haveNordic 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