Vacuum Tubing, Hose, and Fittings for Pneumatic Installations
Amazon.com : U.S. Pool Supply1-1/4" or 1-1/2" Hose Connector Coupling for Swimming Pool Vacuums, Cleaners or Filter Pump Hoses - Pool Maintenance : Patio, Lawn & Garden
Silicone Vacuum Line and Fittings
Flexible Weld Hoses | Flexible Steel Medium Wall Vacuum Hose