12_3/4x21x1 Exact MERV 10 AC Furnace Filters 6 Pack Lighting & Electrical Components Ionic PK Boost delivers the

Ionic PK Boost delivers the key mineral elements phosphorus (P) and potassium (K) in a pure form that is instantly accessible to the plant

meaning it will damage or kill any plant it contacts—including desirable ones

Excellent for hydroponics

Humboldt Nutrients has developed this vigorous three-part fertilizer without the use synthetic chelates

12_3/4x21x1 Exact MERV 10 AC Furnace Filters 6 Pack Lighting & Electrical Components Ionic PK Boost delivers theNordic Pure MERV 10 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, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies