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
1.5 Inch Pool Vacuum Hose Repair Coupling
High Vacuum Hose Couplers
RIDGID Hose and Accessory Adapter Kit for RIDGID Wet/Dry Shop Vacuums VT1755 - The Home Depot
Hose to Hose Connector Both Ends Threaded – Manufacturer of VacuMaid Central Vacuum Systems
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
Kuriyama K Series 4 in. PVC Suction Hose w/ Female Coupling x Male Pin Lug Ends - John M. Ellsworth Co. Inc.
Amazon.com: Universal Vacuum Hose Adapter Kit Reducer Attachment Set Converter from 1 1/2 inch to 1 1/4 inch from 1 3/8 inch to 1 1/4 inch Dust Hose Port Adapter : Home & Kitchen
2.5 inch Rigid Plastic Vacuum Hose Connector Fitting | Oneida Air Systems
Amazon.com : ATIE 1.5" Pool Cleaner Hose and Vacuum Hose Connector Adapter AXV092 Replacement for Hayward AXV092 Automatic Pool Cleaner Hose Connector : Patio, Lawn & Garden
Vacuum Hose Coupler – Guardair Corporation
2 inch Swimming Pool Vacuum Line - Male Thread-to-Hose Connection
Amazon.com: Vacuum Cleaner Adapter 35mm (1-3/8 Inch) to 31 mm (1-1/4 Inch) for Inner Diameter 32 mm Brush Fit to Outer Diameter 35 mm Tube Plastic Vacuum Hose Adapter(2 Pieces): Home & Kitchen