25x28x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack odor-control and plant metabolism rates are

and plant metabolism rates are directly related to their root zones' uptake of nutrients and fertilizers

Description

Variable Speed Control

superior performance

25x28x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack odor-control and plant metabolism rates areNordic 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