The Safety Bulb Pipette Filler, made of natural rubber, features a white ABS attachment containing a silicone conical adapter that seals around pipettes without twisting * Features a white ABS attachment containing a silicone conical adapter that seals around pipettes without twisting * Pipette does not contact hard plastic, which reduces the risk of cracking and chipping * Elastic band for hanging on reagent bottle or wrist * Filler fits standard size pipettes SPECIFICATIONS: * Color: Red * Hole Diameter: 0.39 in (10 mm) * Length: 4.2 in (10.6 cm) * Material: Natural Rubber * Outer Diameter: 1.6 in (41 mm) * Quantity: Pack of 3 * Volume: 15 mL