24 1/2x27x1 Trane ReplacementMERV 10 Plus Carbon AC Furnace Filters 6 Pack X Nutrients 120 x 120 x 25

120 x 120 x 25 mm (4

and alarm system

and in part from non gmo soybean meal

replaceable double junction pH probe and temperature probe (for pH ATC)

* 110VAC 50/60Hz

24 1/2x27x1 Trane ReplacementMERV 10 Plus Carbon AC Furnace Filters 6 Pack X Nutrients 120 x 120 x 25Nordic Pure 24 1 2x27x1 Trane Replacement MERV 10 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: