Float Ball, Polyethylene, Internal Connection, 4 in Float Dia., 4 in Float Length, 4 in Float Width, 4 in Float Height, Float Weight Less than 1 lb, Thread Type Self Tapping, Thread Size 1/4 In. -20, Max. Liquid Temp. 100 Degrees F, For Use With Mfr. No. PT3838187, PS0505, PS3838, PS75LS, PS75SS, PT0505, PT050525, PT3838, PT75LS, PT75SS, Standards NSF