EzyFit with 1.3mm OD X 0.50mm ID x 700mm long sample tube. Package of 10 replacement sample lines compatible with Glass Expansion F-Series Nebulizers. Used to carry sample from peristaltic pump tubing or mixing T to nebulizer. This consumable part should be replaced at a frequency of about every 6 months to ensure optimum sample flow.For EzyFit with 1.3mm OD X 0.75mm ID x 700mm long sample tube, EZT-075. For EzyFit Connector with 0.50mm ID, 1/16 OD x 700mm long sample tube, EZT-16-50. For EzyFit Connector with 0.25mm ID, 1.3mm OD x 700mm long sample tube, EZT-025.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001