Back Fluted Drain - Kardia Spiral Redax Kardia Spiral is our specifically designed drain for cardio-thoracic surgery. Available in two size CH 19 and 24 to ensure an effective drainage. Contact us about this product A product by Redax Redax Related products Flat fluted drain Flat Fluted Drain developed by Redax are characterised by an advanced fluted design that thanks to a system of multiple lumen, provide effective distribution of suction and fluid throughout the entire segment of the drain. Show product info