16_1/4x21_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack sprayers Compatible with high frequency electronic

Compatible with high frequency electronic ballasts

Reverse Osmosis Water- 67

These refill sheets are compatible with standard growing trays such as in the Speed Starter Kit

FREIGHT SHIPPING ONLY

• Control and monitor climate conditions in your grow room 24/7/365 from anywhere

16_1/4x21_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack sprayers Compatible with high frequency electronicNordic 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