15x18x1 Exact MERV 8 AC Furnace Filters 6 Pack vacuum pump Bud Builder is a one

Bud Builder is a one part additive for hydroponic

It can be linked to either low or the high level CO2 sensors

The water activates the Dosatron

Advanced Dimmable Feature with use of External B-Lite Master Zone Controller (1W - 630W)

Contains: 100% Organic Non-GMO Canola Oil and Organic Surfactants

15x18x1 Exact MERV 8 AC Furnace Filters 6 Pack vacuum pump Bud Builder is a oneNordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters