14x18x1 Exact MERV 13 AC Furnace Filters 12 Pack spl_hf - Works with MH and

- Works with MH and HPS

The Save A Drop Water Timer gives you the capability to determine when you water your garden and for how long

Energy-Conscious Operations – Growers looking to reduce electricity costs while maintaining or improving yields compared to HPS setups

Pressure (Pa) - 578Pa

Specially designed features allow this tray to sit flat on the pallet racking with a trough that hangs slightly over the edge

14x18x1 Exact MERV 13 AC Furnace Filters 12 Pack spl_hf - Works with MH andNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200