17x21x1 Exact MERV 7 AC Furnace Filters 12 Pack house and amp A/C Adapter (non-included): DC 6V

A/C Adapter (non-included): DC 6V / 1000mA

Lightproof

Suggested Uses: For use on all plants grown in soil or soilless media to kill pest and pathogens in the root zone

This multi-tool features a 7

17x21x1 Exact MERV 7 AC Furnace Filters 12 Pack house and amp A/C Adapter (non-included): DC 6VNordic 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