This 3-meter etCO2 sampling line features a 1mm internal diameter and standard male luer-lock connectors on each end. Tube is medical grade PVC and does not contain DEHP. Note: for use with Spacelabs capnography devices, water/bacteria filter is required. For capnography devices 92516, 92517 and 92518 that use Masimo technology, the NomoLine adapter has been discontinued by the manufacturer. What is now available are a full selection of NomoLine capnography supplies with integrated water/bacteria filters.