22x36x1 MERV 14 AC Furnace Filters 6 Pack led It uses an air-to-water heat

It uses an air-to-water heat exchanger to water-cool the hot air your reflectors produce

5V button cell batteries (included) (model LR44 or equivalent)

Please Note: The MBS-K30 requires the SPH-1 for supplemental power

Bypass pruner design holds stems in place while the curved blade slices through for a clean cut

Botanicare® CT Trays are customizable grow trays made from ABS plastic

22x36x1 MERV 14 AC Furnace Filters 6 Pack led It uses an air-to-water heatNordic Pure MERV 14 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.