23_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Air Filter top it with a 6

top it with a 6 in FloraCap® and you are ready to hand feed

For commercial operations

Blue Mamba 6mil Nitrile X-Large - Case of 10 boxes (100 per box)

The result of months of scientific research and trials is Grodan Gro-Blocks Improved with Grodan’s Advanced Wetting Agent

• 30% more efficient than comparable models

23_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Air Filter top it with a 6Nordic Pure Custom MERV 14 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