Hegen Teats are embossed with indicators to show the teat flow: 0 for Extra Slow Flow (0 months) 1 for Slow Flow (1-3 months) 2 for Medium Flow (3-6 months) 3 for Fast Flow (6 months and beyond) Y for Thick Feed (for thickened liquids) *All Hegen teats only have one hole; flow rate of each teat is determined by the size of the hole Directions for Assembly: To assemble teat into collar Step 1: Gently squeeze the anti-colic air vent to ensure it is open. Step 2: Place the Collar over the Teat Step 3: Pull the Teat through the Collar until it is snugly fitted. To remove transparent cover With the Hegen logo on the Collar facing you, push the Transparent Cover backwards (away from you) to open.
