10x18x1 Exact MERV 13 AC Furnace Filters 12 Pack flowering nutrients Outside Diameter: 26 cm /

Outside Diameter: 26 cm / 10

Its motor is redesigned for stronger performance and are built for years of continuous use

Suitable for grow tents for full and flower cycles

It is recommended to use Root Cleaner with its sister product – Green Cleaner

Greenhouses & Agricultural Operations – Maintains clean air circulation in enclosed growing environments to support plant health and worker comfort

10x18x1 Exact MERV 13 AC Furnace Filters 12 Pack flowering nutrients Outside Diameter: 26 cm /Nordic 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