Swimming Pool 1-1/4" or 1-1/2" Hose Coupling Connector Adapter. It is made of durable plastic and measures 4.75 inches long. Use coupling to connect two 1-1/4" hoses together, two 1-1/2" hoses together, or mix-and-match 1-1/4" and a 1-1/2" hoses together. It's ideal for use connecting vacuums hoses together and for connecting pool pump and filter hoses. For in-ground or above-ground pools and spas. Use this hose connector for reducing 1-1/2" hose down to 1-1/4" hose so larger pool pumps can be used with smaller above-ground pools. Buy with confidence, as our premium quality pool products are built to last, and if you're not satisfied with them at any time within one year of purchase, we'll provide a refund or replacement., Manufacturer: U.S. Pool Supply