20x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack sprayers-and-wands • Conductivity probe with 1'

• Conductivity probe with 1' NPT thread

Works on all varieties

8 passively cooled bars eliminate moving parts and provide full-spectrum

• The large tea bag will work in brewers from 10 gallons up to 300 Gallons

GROW adds more nitrogen for growth

20x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack sprayers-and-wands • Conductivity probe with 1'Nordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.