PACKAGE INCLUDED: You will get 5 pcs pig nipple waterer with filter + 5 pcs water tank connector + 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. Open-hole diameter is 26 mm. MATERIAL: Hog nipple waterer is made of stainless steel, which provides superior rust resistance and excellent oxidation resistance. Water tank connector is made of brass, ensuring long-term use. You will no longer worry about them rusting or breaking. AUTOMATIC DRINKING: When the pig's mouth touches the metal bar, water flows out automatically and stops when released, helping reduce water waste. The pig waterer helps prevent leakage (use PTFE tape), bacterial contamination, and supports healthy hydration for pigs. WIDE APPLICATION: The automatic stainless steel waterer is suitable for sows, boars, piglets, growers, finisher pigs, dogs, goats, and other livestock. Color: Silver Material: Brass + Stainless Steel Package Contents: 5 x Pig Nipple Waterer 5 x Water Tank Connector 1 x Hole Opener 1 x PTFE Tape Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3 cm.