26x30x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control • Perfect for Koi ponds

• Perfect for Koi ponds

and 2 side support brackets

This Product Controls These Pests or Diseases: Use to control Root Knot Nematodes in lawns and turf

or up to 7 days with this easy-to-use controller

Improved growth of root system

26x30x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control • Perfect for Koi pondsNordic 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