Package Includes:You will receive 12 pieces of replacement swimming pool filter pumps, an adequate quantity for your daily use and replacement High Quality:The pool plug stopper is made of high-quality PVC material, with good ductility and expansion, which can easily plug the spout firmly Size:The pool wall plug is 2.36in/6cm in external diameter and 1.14in/2.9cm in internal diameter, fit for 1.14in/2.9cm diameter pool hoses, suitable for pump models 530/1000 gph or less Strong Sealing:The pool plug can effectively prevent drainage when cleaning the filter core of the pump or replacing the filter pump, with good sealing, is reliable and durable and has a long service life Wide Application:The pool stopper is for use in swimming pools with 1.25" diameter hoses or less that do not have a plunger, preventing drainage when cleaning the filter core of the pump or replacing the filter pump