The Bemis Nonsterile Connecting Tube fThe tube can be connected to the patient or tandem ports on Bemis canisters. Bemis canisters and liners can be used in virtually all areas of a facility including Patient Rooms, Operating Rooms, CCU, ICU, Post-Op, and Recovery.or Suction Canister is latex-free and designed for single use.Inside Diameter: 0.25" (6 mm).