15x25x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack AC / Dehumidification / Humidification The custom Snapstand pieces make

The custom Snapstand pieces make standard 1-1/4" PVC into a support stand for your system or as many uses as the grower's imagination can conceive

without the use of air stones

Manufactured with only the finest high porosity activated carbon

GET THE GOOD GAS TO YOUR PLANTS

15x25x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack AC / Dehumidification / Humidification The custom Snapstand pieces makeNordic Pure Custom MERV 12 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