14x20x1 Pleated MERV 12 Air Filters 6 Pack spl_hi This formula ensures immediate availability

This formula ensures immediate availability of nutrients to plants

A low-profile design allows the unit to fit in applications with a limited height clearance

It is ready to dilute in water and requires no pH adjustment

The cap's battery is designed to last for long-term wear and is quickly replaceable with two CR2032 lithium cell batteries

14x20x1 Pleated MERV 12 Air Filters 6 Pack spl_hi This formula ensures immediate availabilityNordic 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