Amazon.com: Replacement Hose Adapter A with Collar for Above Ground Swimming Pool, Converts 1.5" and 1.25" Hoses for Intex Fit for Threaded Connection Pumps & Plunger Valve,Pool Accessories (4Pack) PN. 25007 :
Amazon.com : Sealproof Pool Hose Adapter Compatible with Intex Pool Pumps and Other 1.25" and 1.5" Pump Hoses : Patio, Lawn & Garden
U.S. Pool Supply Replacement Universal Combo Hose Adapter, 1-1/4\" or 1-1/2\", 3 Pack - Fits Above-Ground Pool Pump, Filter, Skimmer - Compatible with Hayward SPX1091Z7 or SPX1091Z4, Swimming Pool - Walmart.com