23_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Ventilation and rebuilt to support the

and rebuilt to support the demands of the horticulture industry

Whether you're running a hydroponic system

Replacement power box for the Plug 'N' Grow Intelligent Growing System (iGS) controllers

The Incubator™ Plugs 1

neoprene inserts

23_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Ventilation and rebuilt to support theNordic Pure Custom MERV 8 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