1With Ball Bearing: The ball bearing is in the wheel frame, which has low noise and low friction during operation, can extend the service life. 2Stainless Steel Screw Fixed: Fixed by stainless steel screws, the peristaltic pump has a stable structure, and is rustproof and corrosion resistant. 3Large Flow: The peristaltic pump has a large flow rate of 500ml/min, which is suitable for various fluid transportation situations. 4Slot Design: The peristaltic pump is equipped with slot to prevent deviation correction and pump damage. 5With Silicone Tube: Equipped with a special silicone tube for peristaltic pump, which is practical, convenient and time saving. Item Type: Peristaltic PumpModel: G928 PanelMotor Type: DC brushed geared motorPump Head: Roller peristaltic pumpMaterial: 304 stainless steel + silicone + PCPulsation: 3 rollers, small pulsationFlow Rate: 500ml/minPump Tube Material: Food grade platinum vulcanized silicone tubePump Tube Inner Diameter: Approx. 6.4mm / 0.25inPump Tube Outer Diameter: Approx. 9.6mm / 0.38inPump Head Material: Transparent PCInstallation Method: Panel mount 1 x Peristaltic Pump1 x Wrench1 x Dedicated Silicone Tube The flow direction of the peristaltic pump depends on the positive and negative connection method.