Intex B Hose Conversion Adapter Kit for Intex B Pool Hose 1.25" to 1.5" Replacement Conversion PartsPackage Includes: 2 x Type B Hose Adapters from 1.25" to 1.5" Perfect for Conversion: Type B Hose Adapter covers above ground pools with fittings from 1.25" to 1.5" 3.8 cm fittings. Works with all Intex saltwater generators and saltwater systems, all Intex filter pumps that use 1.5" threaded connection hoses, and all pools that use 1.5" hose fittings . Upgraded Pump/Filter: Needed when upgrading from a 1000 GPH pump or smaller, to a 1500 GPH pump or larger. This pair of hose conversion adapters features 1.25" clamp fittings to 1.5" screw-on fittings. High quality: The swimming pool pump hose adapter is made of high-quality materials to make the connection firmer, not easy to leak and not easy to damage. Unique Design: Unique threaded hose clamp specially designed for attaching to fittings that pass through pool walls. Easy to attach to Intex 1.5" pipes with threaded clamps, just screw on.