Apply every 7-10 days when insects are present or as needed to prevent further damage
reservoir size of 25 gallons is sufficient for almost any set up
Mini DIN Terminal (right) allows Direct Connection to EC/Temp Sensor
and thousands are in use by satisfied gardeners worldwide
18x25x1 Pleated MERV 13 Air Filters 3 Pack Gardening Accessories Apply every 7-10 days whenNordic 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