11 1/4x23 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Controller causing a "zone of repellency"

causing a "zone of repellency" around the animal

Can be used in all growing media

• Measures pH

• Completely non-toxic—will not react under light and heat

This EC smart controller can power and control 2 inline duct fans of any size

11 1/4x23 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Controller causing a "zone of repellency"Nordic 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