11 1/4x19 1/4x1 Exact MERV 10 AC Furnace Filters 12 Pack Growing Media HALO enables the gardener to

HALO enables the gardener to automate their pH and temperature logging efforts

Dosatron Water Powered Doser 14 GPM 1:500 to 1:50 - 3/4 in (D14MZ2VFBPHY)

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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

This rack drawer takes 4U of rack space and includes a mat and a 10-32 rack mounting screw set

11 1/4x19 1/4x1 Exact MERV 10 AC Furnace Filters 12 Pack Growing Media HALO enables the gardener toNordic 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