23x25x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack dupe Efficient double-ended design offers longer

Efficient double-ended design offers longer lamp life and a more balanced light spread

cockroaches

Poles(D/T) 22mm/0

Specialized electrode for spot checking the pH of soil and soil slurries

It's better for the environment

23x25x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack dupe Efficient double-ended design offers longerNordic 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