18x25x2 Pleated MERV 14 Air Filters 12 Pack microbes Tundra™ can be used with

Tundra™ can be used with beneficial soil microbes and other biostimulants and is compatible with all media types

Low ppm/EC and free of contaminants

facilitating the uptake of micronutrients and macronutrients

The Airbox 1 carbon filter has 4" flanges and a CFM of 500

The bowl has a spout

18x25x2 Pleated MERV 14 Air Filters 12 Pack microbes Tundra™ can be used withNordic 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.