This new float assembly is of much higher quality. It is of substantial and robust design with a large-volume float and positive shut-off action. This valve is rated 100+ p.s.i. Float level is easily adjusted and set. This assembly will fit all of our livestock water bowls. Replacement seal available in 4-pack only. Total overall length 24.5cm (float arm including float 15cm). Float only is 9.5cm long by 5cm diameter.