15x30x1 MERV 13 AC Furnace Filters 6 Pack Dispensary HI70300-050 is a GroLine storage

HI70300-050 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes

Suggested Uses: Can be used at time of planting and every 2 weeks after that for optimal performance

the APCEMDL comes equipped with a built-in microSD card port that automatically records all environmental data to an included microSD card

Ballast Size: 11

Completely Sealed Against the Elements

15x30x1 MERV 13 AC Furnace Filters 6 Pack Dispensary HI70300-050 is a GroLine storageNordic 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