12x27x1 MERV 13 AC Furnace Filters 6 Pack X Nutrients bloom Set point range: 10%-90% RH

Set point range: 10%-90% RH (in 1% increments)

Intense Savings

Designed to bring simplicity to nutrient testing

Media/System Flush:

12x27x1 MERV 13 AC Furnace Filters 6 Pack X Nutrients bloom Set point range: 10%-90% RHNordic 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