This adapter allows an automatic pool cleaner to be connected to a branded pool; This adapter can also be used to connect a vacuum cleaner to 32mm/35mm vacuum cleaner attachments. It converts from 1 1/4 inches to 1 1/4 inches; from 1 1/4 inches to 1 3/8 inches; from 1 3/8 inches to 1 1/4 inches; from 36mm to 32mm/35mm; from 39mm to 32mm/35mm; from 45mm to 32mm/35mm