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Amflo 808 Brass Barb Air Hose Fitting for 1/2″ Hose ID x 1/2″ MNPT - Tire Supply Network
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 Plastic Repair Fitting, Pool Maintenance - Walmart.com
1/2 in. Steel Industrial Quick Coupler Set, 4 Piece
Amazon.com : U.S. Pool Supply Plastic 1-1/4" or 1-1/2" Hose Connector Coupling for Swimming Pool Vacuums, Cleaners or Filter Pump Hoses - Pool Maintenance : Patio, Lawn & Garden