20x26x1 MERV 13 AC Furnace Filters 6 Pack -monitors-&-timers The PX1 is designed to

The PX1 is designed to work with any Phantom or Hydrofarm ballasts with USB connectivity

Dengue Fever and Zika Virus

Volume: 1 Gallon

living bacterial inoculant

Keep the container tightly sealed when not in use

20x26x1 MERV 13 AC Furnace Filters 6 Pack -monitors-&-timers The PX1 is designed toNordic 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