24 1/2x27x1 Trane ReplacementMERV 12 Plus Carbon AC Furnace Filters 6 Pack Ventilation 53 x 17 x 31

53 x 17 x 31 cm (21 x 7 x 12 in) Dimensions

Bulb: DE CMH

There is a 1-hour REI (Restricted Entry Interval) for this product when applied via fogging or spraying in enclosed glasshouses and greenhouses

Eliminates algae by keeping the surface dry

24 1/2x27x1 Trane ReplacementMERV 12 Plus Carbon AC Furnace Filters 6 Pack Ventilation 53 x 17 x 31Nordic Pure 24 1 2x27x1 Trane Replacement MERV 12 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: