12x15x1 MERV 13 Plus Carbon AC Furnace Filters 12 Pack Commercial Lighting This balanced formula creates an

This balanced formula creates an optimal foundation for plant nutrition

Capacity: 4

For Hydroponics

Release Rates: Release at first sign of whiteflies for best results

with no need for standalone units cluttering the floor

12x15x1 MERV 13 Plus Carbon AC Furnace Filters 12 Pack Commercial Lighting This balanced formula creates anNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.