Samco Transfer Pipets Extra Long 9 Standard Bulb Samco Scientific Perform safe and easy sampling from large containers using Thermo Scientific Samco Extra-Long Transfer Pipettes. Perfect for tissue culture applications, these pipettes are designed with a built-in pipette bulb that eliminates the need for plugging, packaging, autoclaving and prevents cross-contamination.Excellent for tissue culture applications General-purpose pipettes are ideal for routine sampling of serum and plasm Well suited for blood culture and urine analysis