The Mercurius system is a rack-mounted MK-V that is specifically built to be run actively
Designed to provide a fully-balanced light spectrum that replicates natural sunlight
5” LCD display that you can clearly view from over 5 meters away
Large - Case of 12 sleeves (12 units per sleeve)
a 20x30x1 air filter is actually 19 ½ x 29 ½ x ¾
16_1/2x21_5/8x1 Exact MERV 14 AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs The Mercurius system is aNordic 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.