Multi-Format Y Connectors Line of 3- and 4-port Y connectors with the same diameter on each port. Client:Medical components distributor - custom specification Info: 4-port trident shaped Y-connectors with the same diameter on each port. One arm can be removed to create a 3-port Y-connector, one leg straight through, and one off-set. Produced in 0.343" ID, 0.157" ID, and 0.125" ID.