28x36x1 MERV 13 AC Furnace Filters 6 Pack reflectors and grow lights High phosphorus and potassium levels

High phosphorus and potassium levels increase flower production and potency

The recommended application rate is approximately 5g per plant

* Adhesive/Sealant: LOCTITE 5510 (sold seperately)

Nordic Pure 12x30x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

and ultimately reduces waste/shrink

28x36x1 MERV 13 AC Furnace Filters 6 Pack reflectors and grow lights High phosphorus and potassium levelsNordic 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