18x25x1 Pleated MERV 13 Air Filters 3 Pack Grow System/ Trays/ Reservoirs and allows for rapid absorption

and allows for rapid absorption of nutrients

Easy to assemble or take down within minutes

and includes instructions

• Bluelab pH Meter (Item #BLU2320E)

allowing your plants to be spaced as the plant canopy requires

18x25x1 Pleated MERV 13 Air Filters 3 Pack Grow System/ Trays/ Reservoirs and allows for rapid absorptionNordic 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