9x13x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting Amend ECOMAX prior to transplant

Amend ECOMAX prior to transplant to reduce the use of Nitrogen-based fertilizers in Veg

natural convection thermal management (no fans or moving components)

It is the ONLY proven and tested air disinfection system that eliminates airborne contaminants according to USP 800 standards

All metal gearing parts are heat-treated

Hydrofarm’s 4' x 8' rolling bench system is made of heavy-duty galvanized steel and will maximize the grow space in your greenhouse or grow room

9x13x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting Amend ECOMAX prior to transplantNordic Pure Custom MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition