17x19x1 Exact MERV 8 AC Furnace Filters 12 Pack ventilation/air-conditioning Product Description:

Product Description:

A bonus feature is that it allows you to adjust the light spread via four threaded positioning holes in the socket

Using as a Concentrate Vaporizer

A high performance drainage layer is especially important if your plants are grown in plastic containers or with saucers underneath which can trap excessive moisture and create a soggy root zone

17x19x1 Exact MERV 8 AC Furnace Filters 12 Pack ventilation/air-conditioning Product Description:Nordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters