18x18x1 Pleated MERV 14 Air Filters 24 Pack hydro-systems The DSD-1 connects into the

The DSD-1 connects into the “devices” line on the Hydro-X and can be set to control an almost infinite number and types of devices such as:

unless using a silica product like Strength

Apply any time after the first mowing

VE Spectrum: Vegetative centric spectrum has been extensively trialed on over 300 plant varieties

🧰 Pocket-Sized & Rugged: Durable design fits in your hand or pocket

18x18x1 Pleated MERV 14 Air Filters 24 Pack hydro-systems The DSD-1 connects into theNordic 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.