14_1/2x19x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack plant-support Simply select thecorrect lamp style

Simply select thecorrect lamp style and wattage and the ballast will now properly operate that waywithin the proper operational parameters

This Commercial 277V DE Open Lighting non-dimming System features state-of-the-art double-ended technology that uniformly delivers optimum PAR value over a broad footprint

When you have an insect population in a large area that you need to monitor and trap

You will need a Matrix unit

14_1/2x19x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack plant-support Simply select thecorrect lamp styleNordic Pure Custom MERV 7 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