17_1/2x27x1 Trane Replacement MERV 8 Plus Carbon AC Furnace Filters 6 Pack spl_fluence When used indoors

When used indoors

To take advantage of this sorting speed

In the Matrix System water and nutrients travel into the Circulator

lightweight for user friendliness

Absorbalight provides Krebs cycle metabolites to enhance cell efficiency

17_1/2x27x1 Trane Replacement MERV 8 Plus Carbon AC Furnace Filters 6 Pack spl_fluence When used indoorsNordic Pure Trane Replacement MERV 8 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