21_1/2x23_3/8x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack flowering Place it in any room

Place it in any room in your home such as your closet

The RH sensing element is protected against dust

FMWH7120L is used for (4) 4' bulbs (one ballast on the FLP44/FLP46/FLT44/FLT46 and two on the FLP48/FLT48)

Plasmopara

21_1/2x23_3/8x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack flowering Place it in any roomNordic Pure Custom 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 condition