... are available.Specifications:Model: BNT-850T (Softener valve by timer) BNT-851T (Filter valve by timer) BNT-850F (Softener valve by meter, timer, meter delay ... , timer meter mix) BNT-851F (Softener valve by meter,timer, meter delay, timer meter mix)Regeneration: 1- ... /outlet: 1/2", 3/4", 1" Drain pipe: 1/2" Automatic Control Valve BNT-85