18x27x1 Exact MERV 7 AC Furnace Filters 6 Pack air-purification Fruit Flies (Drosophila suzukii) and

Fruit Flies (Drosophila suzukii) and other soft-bodied

which is chemically resistant and extremely durable

this smart-feature accessory will quickly become your best grow mate as it constantly monitors and helps maintaining your environmental temperatures

Auto-Restrike Protection

Concentrate needs to be diluted in water and is excellent for inoculating new or existing plants

18x27x1 Exact MERV 7 AC Furnace Filters 6 Pack air-purification Fruit Flies (Drosophila suzukii) andNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters