Amsino Amsure� Suction Connecting Tube Case AS821B by Amsino International GROUP: Surgery/Minor Procedure:Suction/Drainage:Trays/Catheters Item Description: Connecting Tube, 3/16" x 18", Non-Sterile, Bulk, 50/Case Packaging Desc: Suction Connecting Tubingns 3/16X16 Bulk 50/Case Country of Origin: Harmonized Tariff Code: Product Description: Each end has two soft female connectors that securely fit any male connector. Non-conductive.