The kit consists of tube, teat and 4 liter bottle. Developed by a veterinarian who is also a calfbreeder in New Zealand. Very carefully considered system with many practical details. The tube is soft and flexible very gentle for the calf. www.antahi.nz Meget gennemtænkt system, med mange praktiske detaljer. Systemet er udviklet af dyrlæge Blød og bøjelig sonde, der ikke kan "skille ad " efter nedførsel i kalvens spiserør!