An economical way of adapting to two different hose sizes. The smaller reducer is made of a more pliable material to better suit vacuum and smaller diameter extraction systems while the large is the normal rigid plastic.
Small reducer stepped sizes – 2 ½in (63.5mm), 1 ½in (38.1mm), 1 ¼in (31.8mm), 1in (25.4mm)
Large reducer stepped sizes – 6in (152mm), 5in (127mm), 4in (102mm), 3in (76.2mm), 2in (50.8mm), 1in (25.4mm)