18x18x1 Pleated MERV 10 Air Filters 6 Pack Extension depending on the type of

depending on the type of plants you are growing and the quantity of plants in your system

Each tray of cubes also includes a complimentary 15 ml packet of Clonex Rooting Compound Gel

Single ceramic junction for long electrode life in harsh environments

Cycle: 60 HZ

18x18x1 Pleated MERV 10 Air Filters 6 Pack Extension depending on the type ofNordic Pure MERV 10 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 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies