 

 
                This pliable plastic adaptor can be tailored to meet your specific diameter requirements. Its internal diameter caters to standard hose sizes, while its external diameters are adjustable to accommodate the desired size.
Internal diameter suits: 1-1/4″, 1-1/2″, and 2-1/2″ hoses
External diameter suits: 1″, 1-1/4″, 1-1/2″, and 2″ hoses