14x28x1 Exact MERV 8 AC Furnace Filters 6 Pack refurbished-products The increased PAR creates larger

The increased PAR creates larger plant mass as well as better seedling growth

High-pressure pH probe - easy to clean and calibrate

The result is a unique

and safer for workers and crops alike

14x28x1 Exact MERV 8 AC Furnace Filters 6 Pack refurbished-products The increased PAR creates largerNordic 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