This Hydrotools Swimming Pool Weighted Vacuum head is designed to work with all swimming pools. It attaches to any standard size telescoping swimming pool pole and works with either 1-1/2" or 1-1/4" vacuum hose. Swimline Hydrotools provide some of the best swimming pool replacement parts and supplies on the markets. All Hydrotools swimming pool products are designed to ensure durability and are easy to assemble. Hydrotools aims to meet all of your expectations when it comes to their products, and they back their products with a 1 year Manufacturer Warranty to help guarantee your satisfaction as a customer. Don't settle for less quality when you can buy from Hydrotools.