23_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Ventilation neoprene inserts

neoprene inserts

The SuperPonics 8-Plant Hydroponic Grow System Complete grows faster than any single method of hydroponics and more safely due to the fact that there are always two independent hydroponic grow systems operating at the same time

1-year warranty on probe

and improved stabilization

With regular use

23_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Ventilation neoprene insertsNordic 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