29x35x1 MERV 13 AC Furnace Filters 6 Pack Grow Strong Recirculating: Use 5-10 ml of

Recirculating: Use 5-10 ml of Royal Flush per gallon of pure water in your reservoir and run the system for an initial 20-60 minutes

Economical – The Checker is a full-featured pH tester at a price that anyone that needs to measure pH can afford

ALL PER-PLUS

These T5 LED lamps with internal driver made retrofitted for Jungle fixtures bypassing a need for ballasts offers optimal efficiency

additional AIRPLATE S series cabinet fans can be connected to the included thermal controller

29x35x1 MERV 13 AC Furnace Filters 6 Pack Grow Strong Recirculating: Use 5-10 ml ofNordic 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