Five-Tube Anaesthesia Flow Meter has float made using anodized aluminium. S.D. Process Equipments offers Five-Tube Anaesthesia Flow Meter. S.D. Process Equipments also manufactures various types of Flow meter and Rota meter. The Five-Tube Anaesthesia Flow Meter has borosilicate glass tubes which are ground and polished to a high precision internal taper. This Flow Meter is calibrated and these are permanent Markings on the markings on the glass surface. This Flow Meter is available in an anodized aluminium/powder-coated frame.