13x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Filtration 50 Width (Unboxed): 5

50 Width (Unboxed): 5

These products are highly concentrated therefore will save you money

• For comerial or residential applications

One of the most important elements a plant needs to grow is oxygen at the root zone

13x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Filtration 50 Width (Unboxed): 5Nordic 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