17_1/2x27x1 Trane Replacement MERV 13 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Prozyme stimulates the "pre-digestion" of

Prozyme stimulates the "pre-digestion" of these complex molecules

Clean Green Certified

The Airis 8 is a lightweight portable

SMS coveralls are lightweight and breathable

botrytis blight (gray mold)

17_1/2x27x1 Trane Replacement MERV 13 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Prozyme stimulates the "pre-digestion" ofNordic Pure 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: Furnace and air