8_7/8x19_1/8x1 MERV 13 AC Furnace Filters 6 Pack Pumps & Irrigation Bloom Part A (1-0-2) is

Bloom Part A (1-0-2) is part of Rx Green Solutions' 4 Part Professional Nutrient Series

Test on a small area first to ensure no damage

and 1000 ppm calibration solution

Manufacturer Warranty: One Year

Knockbox 3/100 Base

8_7/8x19_1/8x1 MERV 13 AC Furnace Filters 6 Pack Pumps & Irrigation Bloom Part A (1-0-2) isNordic 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