Testo 550 https://fat-egypt.com/wp-content/uploads/2014/04/testo-550-1.jpg 220 270 Future Advanced Technology Future Advanced Technology https://fat-egypt.com/wp-content/uploads/2014/04/testo-550-1.jpg April 9, 2014 March 24, 2023 Testo 550 Digital manifold for service and maintenance on refrigeration systems, 1 clamp probe for measuring on pipes For more information