Heavy duty 3 piece ball valves are easy to disassemble for cleaning and sanitizing. These valves are 316 stainless steel. The seals are made of Teflon to resist high temperatures. Comes with a locking handle to prevent accidental opening. Great for, fermentation tanks, kettles, mash tuns, hot liquor tuns and wort pumps! Replacement seal kits available. No threaded fittings for the nasty bacteria to hide in. Please note you need to purchase 1" OD ferrules, or tail pieces, along with a clamp and silicone washer.