8x12x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack extension Replaceable pH Electrode

Replaceable pH Electrode

Use Big Bloom throughout growing cycles to heal root systems and increase nutrient cycling

Mix 375 mL Cleanse per gallon water and spray evenly

Black & White Panda Film 50'x100' 5

8x12x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack extension Replaceable pH ElectrodeNordic 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