18x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack bloom Use this 2" heavy duty

Use this 2" heavy duty plastic dome with 10" x 20" trays

Also includes two 200 millimeter metal fan guards and a mounting screw set

Made from 100% recycled material

Quadruple Connector For Use With These Iluminar Lights

we have determined that the best results with these biologically active media will be obtained by a smart combination of mineral and organic nutrients

18x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack bloom Use this 2" heavy dutyNordic Pure Custom MERV 14 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 condition