17x21x1 Exact MERV 12 AC Furnace Filters 6 Pack plant-care/pest-&-disease-control Max and Min readings of

Max and Min readings of CO2

Pipe Size: 2 inch NPT

and shallow immersion

1 x Humidistat Station (HS-1)

This complete kit includes the 1U fan unit

17x21x1 Exact MERV 12 AC Furnace Filters 6 Pack plant-care/pest-&-disease-control Max and Min readings ofNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different