U.S. Pool Supply 1-1/4 or 1-1/2 Hose Coupling Connector Adapter - Connect Swimming Pool Vacuum Hoses, Spa, Cleaners or Filter Pump Hoses Durable Pool Hose Coupling Connector 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. U.S. Pool Supply is your online source for professional high-quality, affordable pool cleaning and maintenance supplies, pool accessories, pool recreational activity pool toys, and floats. We offer all the essential items needed to help residential pool owners care for and maintain their pools so that they can eliminate the need for expensive scheduled pool service technicians. Our goal is to provide you the premium products you need to keep your pool clean and ready for use, so you can focus on what's most important, enjoying your pool!