PACKAGE INCLUDED: You get 5 pcs pig nipple waterers with filter + 5 pcs water tank connectors + 1 pc hole opener + 1 pc PTFE tape. Wrap PTFE tape around the threaded interface during installation and connect it to the pipeline to prevent leakage. Water tank connector thread female 1/2 in, male 3/4 in. DIMENSION: The pig nipple total size: 2.4 Inch Length x 0.78 Inch Diameter, thread size 1/2 Inch. Brass water tank connector thread female 1/2 in, male 3/4 in. Open-hole diameter is 26 mm. MATERIAL: Hog nipple waterer is made of stainless steel. They have superior rust resistance and excellent oxidation resistance. The water tank connector is made of brass, which can be used for a long time. You no longer need to worry about them rusting and breaking. AUTOMATIC DRINKING: When the pig's mouth touches the metal bar, the water flows out automatically and closes automatically when it leaves, which helps reduce water waste. The pig waterer can prevent leakage (use PTFE tape), bacterial growth, and help keep pigs healthy. WIDE APPLICATION: The automatic stainless steel goat waterer is suitable for sows, boars, piglets, growers, finisher pigs, dogs, goats, and other livestock automatic water drinkers/bowls. COLOUR: Silver MATERIAL: Copper + stainless steel PACKAGE CONTENTS: 5 x Pig Nipple Waterers 1 x Hole Opener 2 x Raw material belts (The color is random, and specific colors cannot be selected) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.