Specification Brand : Eujgoov BulletPoint1 : [PREMIUM RUBBER MATERIAL] ensures durability and resistance to for extended usability. BulletPoint2 : [SIMPLE AND EFFECTIVE USAGE] with 3 openings designed to aid in liquid suction using the rubber ball. BulletPoint3 : [ELIMINATES SOLUTION INGRESS] using small balls in the rubber tube to maintain a between air and liquid. BulletPoint4 : [ACCURATE QUANTITATIVE PIPETTING] made possible by the reliable and suction bulb mechanism. BulletPoint5 : [VERSATILE RED BULB] suitable for diverse lab applications, providing convenience and reliability. ItemName : Lab Rubber Suction Bulb for Quantitative Liquid Transfer, Easy to Use and Resistant, Ideal for Chemistry Laboratory ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : science-lab-pipettor-accessories Manufacturer : Eujgoov ModelNumber : Eujgoov79zwgxhf15 NumberOfItems : 1 PartNumber : Eujgoov79zwgxhf15 ProductDescription : 1. Made of rubber material, resistant, and to use. 2. Easy and convenient to use, help pipettes to draw liquid rubber ball. 3. Suction ball has 3 openings which are used by elastic rubber force to help suck the solution into the pipette. 4. Be careful not to draw the solution into the ball. 5. 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. 6. The absorption of the liquid can be controlled by the existence or absence of this interspace.