25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients bloom The beneficial nematodes will continue

The beneficial nematodes will continue to reproduce inside their host after death and emerge ready to infect other hosts

which eliminates any chance of starting the spiraling process as well as dramatically increases growth rates

The PreFilter eliminates bigger particles such as dust to prevent premature usage of the carbon

It helps to increase your light coverage area

25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients bloom The beneficial nematodes will continueNordic Pure Custom MERV 13 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