This accessory enables a visual indication of the flow rate through the hoses with an impeller. It is suitable for hoses with an inner diameter between 6.5 and 11 mm.
617603Versilic tube Ø 8/12 (the m)
617613Rubber tube Ø 8/12 (the m)
617614Clear PVC hose Ø 7/11 (the m)