The 16 Blanking Plug with O-Ring Heavy from Fittings Unlimited Inc is engineered to securely seal off unused ports in piping systems. This plug features a 16 size and includes a heavy-duty O-ring for superior sealing performance, preventing leaks and ensuring system integrity. Made from high-quality materials, it is resistant to corrosion and suitable for various applications, including plumbing and industrial use. This blanking plug complies with industry standards, making it a dependable choice for professionals seeking durable sealing solutions.