23 1/2x25x1 Exact MERV 7 AC Furnace Filters 6 Pack lighting-accessories Replaces a 400 watt HPS

Replaces a 400 watt HPS light with 40% less power

It can be applied in a foliar or soil application

eliminating the need for a floor drain directly beneath the unit

mixing chamber

The ancient Amazonians are best known for the ultra fertile soils they created over a thousand years ago

23 1/2x25x1 Exact MERV 7 AC Furnace Filters 6 Pack lighting-accessories Replaces a 400 watt HPSNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters