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) Directions for Assembly: To remove transparent cover With the Hegen logo on the Collar facing you, push the Transparent Cover backwards (away from you) to open. 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. Tip: Press on all 4 sides to ensure Teat is fully secured. Place on the Transparent Cover for hygiene purposes.
