2 PCS Quantitative Suction Bulbs, 3 Valves Lab Pipette Filler Bulb for Industrial and Mining Enterprises Laboratory

2 PCS Quantitative Suction Bulbs, 3 Valves Lab Pipette Filler Bulb for Industrial and Mining Enterprises Laboratory

• Rubber Pipette Filler Lab Suction Ball: Made of rubber material, corrode resisting, safe and sturdy to use. It has strong suction, is not easy to break and the liquid is not easy to settle; Used together with pipettes, it is a great helper in the laboratory
• Three Valve Safety Pipette Filler: Including 2pcs pipetting ball; Easy and convenient to use, help pipettes to draw liquid rubber ball. It is applicable to industrial and mineral laboratories, agricultural laboratories, food laboratories, chemical laboratories, etc
• Pipette Lab Pipette Filler Bulb with 3 Openings Red: Suction ball has 3 openings which are used by elastic rubber force to help suck the solution into the pipette. Be careful not to draw the solution into the ball. The absorption of a liquid can be controlled by the presence or absence of this gap
• A Opening Diameter: Approx. 11.2mm / 0.44in; Hole Diameter: Approx. 5.7mm / 0.22in; E Opening Diameter: Approx. 12.8mm / 0.50in; Hole Diameter: Approx. 7.6mm / 0.30in; S Opening Diameter: Approx. 14.4mm / 0.57in; Hole Diameter: Approx. 7.1mm / 0.28in
• 2 PCS Rubber Pipette Filler: Safe in the opening of each ball has a small ball in the rubber tube, as long as the side of the ball can be pressed between the ball and rubber tube to form gaps between the air and out