18x24x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack Pest and Disease Control Hydrofarm's Commercial Heat Mat helps

Hydrofarm's Commercial Heat Mat helps maximize your growing area by letting you daisy chain up to 4 of the MTMDA add-on units to this one

not just the genus Liriomyza

and each Master Mat can handle up to 3 Add-Ons

Simply connect the two wires from your LED driver to the terminal block

Max coverage: 4 x 4

18x24x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack Pest and Disease Control Hydrofarm's Commercial Heat Mat helpsNordic Pure 18x24x4 Pleated Air Filters MERV 10 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy duty, moisture resistant beverage