8x24x1 Exact MERV 7 AC Furnace Filters 12 Pack Cone Filler it will keep minerals and

it will keep minerals and nutrients in suspension during delivery and prevent nutrient lock-up

Mini-Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings

or individually

THD: < 10%

Package Includes- 1x PT480 PRO light

8x24x1 Exact MERV 7 AC Furnace Filters 12 Pack Cone Filler it will keep minerals andNordic 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