15x23x1 Exact MERV 13 AC Furnace Filters 6 Pack controllers and get instant readings for

and get instant readings for electrical conductivity and soil temperature

Formulated to meet the very specific nutritional demands of Japanese Maples & Dogwoods as well for many other low nitrogen-requiring trees and plants

Also features alarm warnings

Natural Soap

Silverfish

15x23x1 Exact MERV 13 AC Furnace Filters 6 Pack controllers and get instant readings forNordic 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