Product: 2Pack 1.5 inch Threaded Pool Spa Winterizing Plugs with ORing Why you need this Securely seals 1.5 inch and filter ports when winterizing, servicing, or storing pool and spa equipment. Prevents leaks and unwanted flow during maintenance, reducing risk of water loss and equipment damage. Replaces lost or damaged plugs quickly and affordably so your pool system stays ready for seasonal changes. Key benefits Ready fit for standard 1.5 inch threaded and filter openings used in ground and underground swimming pools and spas. Oring included to create a tight, watertight seal that helps keep lines dry and clean during winterizing and repairs. Supplied as a set of two for convenience: use one while the other is spare or for multiple ports on the same system. Features and specifications Size: 1.5 inch threaded connection for common and filter ports. Quantity: 2 plugs per pack. Seal: Integrated Oring for improved sealing performance. Intended use: Winterizing, draining, and service applications for ground and underground pools and spas. Performance and compatibility Designed to fit standard 1.5 inch threaded fittings and filter drain ports commonly found on inground pool and underground pool systems. Simple screwin installation provides a reliable closure for offseason storage and routine maintenance. Practical use scenarios Fall winterizing: Install these plugs in lines and filter ports to isolate plumbing before lowering water levels and adding antifreeze. Filter or pump service: Remove the old plug and install a tightsealing replacement while servicing filters or pumps to prevent backflow and keep the work area dry. Emergency replacement: Keep a spare plug on hand to a missing or damaged part after seasonal servicing or unexpected leaks. Installation tips Ensure threads and Oring are clean and of debris before installation. Thread the plug into the port and tighten until snug to compress the Oring and form a seal. Do not overtighten. Store spare plug indoors during offseason when not in use. What is included Two 1.5 inch threaded pool spa winterizing plugs with Orings. This twopiece set provides a straightforward, reliable solution for sealing standard 1.5 inch pool and spa and filter ports during winterizing and maintenance.