22x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Ventilation Our premium concentrated pH Up

Our premium concentrated pH Up offers a clean formula for growers needing to safely increase the pH levels in their garden

Max AMPS: 10

Simple operation and maintenance

SPHINX was designed for licensed producers (cultivators) to address the unique air quality needs of the grow market

L-amino acids can serve as precursors to many important molecular compounds and biomolecules

22x23x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Ventilation Our premium concentrated pH UpNordic 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