16x22x1 Exact MERV 8 AC Furnace Filters 12 Pack light-movers-hangers There are three programming settings

There are three programming settings available which includes two temperature trigger modes

It features a compact design and blue powder coated steel housing

Slowly releases ONA into the air and neutralizes odor on contact

Quick Cal solutions to calibrate pH and conductivity all at once with a single solution

Root Royale Coco Mats can easily be cut to size to accommodate the shape and number of rockwool slabs or cubes in your grow

16x22x1 Exact MERV 8 AC Furnace Filters 12 Pack light-movers-hangers There are three programming settingsNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters