Specifically designed to replicate the natural sucking action of a calf on the udder. Fitted with a non-return valve that prevents milk flowing back into the feeder. Comes as a pack of 10Manufactured from high quality and tough rubber, the JFC Eazy Flow teat (CT9) has an natural teat shape to help encourages the calf to suck, with a non return valve fitted in the valve this helps prevent air flow through the teat and into the gut of the calf, this in turn encourages a healthy gut for a bigger and healthier calf, the teats have a smooth finish which makes the milk flow easier but also aides in cleaning and disinfecting. With a 22mm diameter this teat will fit in any JFC teat feeder.