3M™ Water Filtration Products Water Filter System,with gauge,14-7/8"H x 5-1/16"D,valve-in-head,standard water,single vessel,1/4-turn shut off valve,max pressure of 125 psi at 100°F,0.2 micron,2.1 gpm flow rate,25000 gallons capacity,for cyst,bacteria,sediment,chlorine taste and odor,scale,includes: (1) integral mounting bracket and (1) o-ring seal cartridge filter,3/8" FNPT connections,NSF