Chicco Tetina Antihipo Physiological fast flow (3 holes) for 4 months +. The physiological teat of natural rubber calmly lets you feed your baby-making is making the most natural way thanks to its special broadband. Clinical studies have demonstrated the effectiveness of the teat to reduce the physiological onset of cramps. The physiological teat is suitable for bottles and accessories line Physiologic Chicco. Presentation Box of 2 units. Chicco Tetina Antihipo Physiological fast flow (3 holes) for 4 months +.