SafeWay’s S20 Series is a general purpose, double shut-off, fluid transfer quick coupling available with either a rugged ball valve or leak-free, high flow poppet valve. The S20 Series is used primarily on agricultural equipment and is recognized as an economical and reliable quick coupling. This series is original equipment on snow plows, garden tractors, full size tractors, front-end loaders, skid-steer loaders, earth moving, and mining equipment.