If you require a silencer, suppressor, or any similar device, please choose a licensed dealer such as SilencerCo. Attempting to modify solvent traps for these purposes is illegal and unsafe. The length of the tube is 7.6 inches and has a total length of 8 inches when assembed for cleaning https://louiszhsey.wikinewspaper.com/3245188/die_grundprinzipien_der_solvent_trap_cups