11_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack lighting 5 by 5 inches

5 by 5 inches

The Zenport J607 extra strong

Calibration: manual

The FloraFlex Master Lighting Controller gives commercial and hobbyist growers centralized control over up to 100 ballasts per output group

11_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack lighting 5 by 5 inchesNordic Pure Custom 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: Furnace and air condition