17_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack sprayers Timer has 15-minute increment pins

Timer has 15-minute increment pins

The Phantom has built-in hot restrike programming to protect the lamp and ballast in the event of the ballast turning off unexpectedly

increasing the rate of chemical reactions which facilitate plant growth

Until recently electronic ballasts received little attention

per unit includes nest with 35 tubes and a mounting bracket

17_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack sprayers Timer has 15-minute increment pinsNordic 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