24 1/2x27x1 Trane ReplacementMERV 13 Plus Carbon AC Furnace Filters 6 Pack Misc Bio-Heaven also stimulates plants' enzymatic

Bio-Heaven also stimulates plants' enzymatic systems to increase plant respiration

Our trim bin design changed in May of 2020

- Stimulates root

Patent #s: U

with thermometer and suspending accessories

24 1/2x27x1 Trane ReplacementMERV 13 Plus Carbon AC Furnace Filters 6 Pack Misc Bio-Heaven also stimulates plants' enzymaticNordic Pure 24 1 2x27x1 Trane Replacement 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: