Keep your Petersen Concrete Hog automatic waterer running smoothly with the #11 Drain Plug (Part #100-0780). This heavy-duty rubber plug features a 1/4" Stainless Steel bolt and washers which creates a secure, leak-proof seal, ensuring reliable water retention for your hogs. The bolt will allow you to tighten the drain plug into place and provide extra security from your pigs. Specifically designed for Petersen waterers, it fits perfectly and is built for long-term durability. Whether you're replacing a worn-out plug or stocking up on spares, this essential part makes maintenance simple and hassle-free.