SUPREME CALF TEAT WITH VALVE• Our Bainbridge Supreme Calf Teats will not leak from the tip and will only flow once the calf is feeding • Suitable for hand and bottle feeders and top-teat feeding systems. • Opening required is 22mm (approximately) • Includes a Calf Feeder Valve with the teatEstablished in 1922, Bainbridge is a 100% Australian owned and operated brand supplying a very wide range of pet, poultry, hobby farm and hardware products. PETstock is proud to support this iconic family owned and operated Australian brand in its mission to serve pet and land owners throughout metro and country Australia.