23x25x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification These professionally formulated nutrients provide

These professionally formulated nutrients provide high performance ingredients in a simple to use program

Hydroponic applications:

Apply when weeds are actively growing

A 2 oz package of RAW Full Up makes up to 200 gallons

Handles are made of tough ultra-light aluminum alloy

23x25x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification These professionally formulated nutrients provideNordic Pure Custom MERV 7 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