Self-Bailer Replacement Filter Cartridges, Capacity 6 oz, Cut Off Loss 7 to 10 oz, Diameter 3 1/2 in, Dimensions 3 1/2 in x 28 in, Fits Opening Size 3/4 in NPT, Flow Rate 7.5 gph, For Use With Ultratech 3FTX6, For Use With Brand UltraTech(R), For Use...