Adapter, Vacuum, with 1:5 Teflon Stopcock. Synthware – HCS Scientific & Chemical Pte Ltd
Trione Aspira - adapter to connect a vacuum cleaner
Vacuum adapter for intake valve/port cleaning machine for effective cleaning of the intake valves/ports on models with high pressure fuel injection systems, both gasoline and diesel - 81292208037, 81 29 2 208 037, 2208037, 81-29-2-208-037
Glass Vacuum Take Off Adapter, Straight Short Stem Adapter - StonyLab
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