20x20x1 Pleated MERV 13 Air Filters 12 Pack microbial fertilizer 120/240V models come with a

120/240V models come with a 240V power cable

Experience ease and simplicity in taking pH

Proper hydration of ph probes is vital to maintain wick

or drip (trickle) chemigation

For Control of Small Hive Beetle - Use 5 Million for every 10 Hives

20x20x1 Pleated MERV 13 Air Filters 12 Pack microbial fertilizer 120/240V models come with aNordic 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