The BV-MB (1/2″ Opella Valve) is manufactured from high quality, durable and tough plastic. The float is fully adjustable at the cup float assembly, this enables the user to have full control over fill levels. The valve is easily cleaned and disinfected and can be removed and replaced quickly and with ease. Capable of delivering up to 5L/Min ensures the drinking trough will always have fresh and clean water easily accessible to the animals.