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BESS Screw-on Calf nipples (for screw-on bottles & 5 L bucket)

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Spare screw-on nipples for BESS screw-on calf nursing bottles. Made of food-grade silicone. Classic screw-on system with screw cap ensuring the hermetic tight. The nipples come with a new technology, including a valve insert that prevents any leaks even though the nipple should be punctured. Therefore we promise the highest lifetime compared to any other nipple on the market. Screw-on nipples are available in 3 different colors. Transparent & red colors are made of premium silicone. Transparent has the advantage to allow easy seeing for milk flow and / or need of cleaning. The pink color is made of cheaper standard silicone and is softer than transparent & red nipples. Spare screw-on nipples are delivered without the screw ring (spare part).


BESS is an innovative line of nursing products built around a game-changing nipple technology. This new technology has been entirely developed with a view to bring an end to the need of so frequent nipples renewals. All nipples on the market suffer from the same weak-point: they rapidely tear-off and start leaking, causing milk-loss and too much time & money spent in their replacement. With BESS we promise a long-lasting nipple, without leaks as well as a control flow to ensure a healthy feeding of the calves. This work thanks to a whole new conception of the nipple: the usage of food grade high quality silicone instead of latex, and a valve insert system situated inside the nipple. The silicone we use has much higher time resistance compared to latex. It's not affected by milk-protein attacks. Moreover, our nipple only shows a single whole, instead of a brace at its end. This reinforce by a lot the nipple. This is made possible thanks to our valve insert that plays the role of the brace. This is the second and main innovation: the valve insert acts as a check valve, that only let milk flow when the calf is sucking. As the valve insert is situated inside the nipple, it cannot be damaged by the calf sucking action. Therefore, even if the nipple gets finally teared-off, the milk will never leak, and the milk flow will be preserved and consistent.

  • Leak-free
  • Tear-free
  • Control flow
  • Long-lasting
  • Screw-on system: screw cap that ensures the hermetic tight
Product list
Item # Description Casecount
BESS Screw-on nipple with valve insert (complete set)
15-273 BESS Screw-on nipple with insert, CLEAR 1 | 24
15-274 BESS Screw-on nipple with insert, RED 1 | 24
15-275 BESS Screw-on nipple with insert, PINK 1 | 24
BESS Snap-on nipple only (without valve insert)
15-270 BESS Screw-on nipple without insert, CLEAR 1 | 24
15-271 BESS Screw-on nipple without insert, RED 1 | 24
15-272 BESS Screw-on nipple without insert, PINK 1 | 24
Spare parts
15-300 BESS Calf nipple insert 1 | 24
00-233 BESS Spare ring cap 1 | 12


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