14x20x2 Pleated MERV 13 Air Filters 3 Pack extension and plant vigor in all

and plant vigor in all stages from rooting to fruiting

Specialized electrode for spot checking the pH of soil and soil slurries

Packing: 80 units per case

- One handed cleaning

RJ12 to RJ12 cable

14x20x2 Pleated MERV 13 Air Filters 3 Pack extension and plant vigor in allNordic 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