with and without splash guards are made of orange polyamide. The threaded body is black plastic and the air filter is polyester polyurethane foam mesh. The plugs resist solvents, oils, grease, and other chemicals, and are offered in several sizes with NPT pipe threads. Metric and BSPP threads are also available. The plugs are rated for a continuous operating temperature of up to 250°F (120°C).

J.W. Winco, Box 510035, New Berlin, WI 53151, (800) 877-8351, jwwinco.com