Drop in sytem designed for one or two 12 gallon coffee brewers. They also work well with BUNN HW2 hot water machine. Provides 1,500 gallons of superior sediment, tasteodor and chlorine reduction .5 gpm. Listed at NSF Standard 42, Class I. 5 micron graded density filtration for long life. Perfectly sized to ensure quality coffee and long term performance of 1 to 5 pot brewers up to 15 lbs. of coffeeweek. Special scale inhibitor provides six months of scale reduction and guards against corrosion. The ED 17 TL replaces the 750 In Line filter previously offered by BUNN. Comes with fittings for single In Line installation.