Plumbers and pool maintenance pros, this Waterway Plastics tail piece is a quality replacement part you can count on. Measuring 1.5 inches and designed for use with split nuts (without O-ring), this USA-made part meets all NSF standards and certifications for safety and performance. Waterway has been manufacturing premium plumbing components since 1973, so you know you're getting a part that's engineered to last. The precise dimensions ensure perfect fitment with compatible systems, preventing leaks and connection issues that can plague cheaper alternatives. Whether you're repairing pool filtration systems, spa plumbing, or other water circulation systems, this tail piece delivers reliable performance that won't let you down. Part number 417-4090 makes ordering replacements easy, and the quality construction means you won't be dealing with the same repair again anytime soon. Seriously, when it comes to plumbing components, going with a trusted brand like Waterway Plastics saves you time, frustration, and callbacks. Your plumbing system deserves quality parts!