12x36x1 Pleated MERV 13 Air Filters 6 Pack Plant Support Superior chemical resistance

Superior chemical resistance

Male plug on one end and open wiring on the other

Humboldt Nutrients Conventional Three-Part Basic Starter Kit provides the three primary nutrient solutions—Grow

or grow fresh herbs right in your kitchen all year long

double Ag/AgCl reference

12x36x1 Pleated MERV 13 Air Filters 6 Pack Plant Support Superior chemical resistanceNordic 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