The 2” gasket for Laing Circulation Pumps provides a tight seal between your pump and any other metal connections.Leaks create a dangerous and unsafe spa experience. We want you to be safe. When you are replacing your Laing Circulation Pump, please be sure to also order the gasket to ensure the best and tightest seal so that you can get back to enjoying your hot tub quickly.General fit.Master Spa Parts’ customer service representatives are here to answer your questions, provide recommendations, and help ensure you order the right part. Have a question? general spa care tips, today!