(1) Intex 1.25 in. Small Pool Strainer Connector inlet & Outlet Replace your Intex 15' and smaller Pool Strainers, requires 1.25" inside diameter clamp-on hoses to use Works with the Intex 530 and 1000 gallon per hour filtration pumps For Intex pools that use the 1-1/4" clamp on filter connection hoses Intex 1.25 in. Small Pool Strainer Connector Inlet & Outlet Replace your Intex 15' and smaller Pool Strainers, requires 1.25" inside diameter clamp-on hoses to use Each unit includes: (1) strainer set of Inlet & Outlet connectors Works with the Intex 530 and 1000 gallon per hour filtration pumps