The SCS-2000 Model has a ball-pivot holder for attachment of the suction regulator. This allows movement of the regulator in any direction making visual observation of the suction rate easier. The four-port, on-off valve allows quick change from canister-to- canister during the suctioning process. The universal canister holder can accommodate numerous canister configurations. All Roll Stands are sold without Aspirators, Canisters or Vacuum Regulators. Features Suction Unit Accessory 4 position Valve Suction Canister Bracket
