Thermo Scientific Samco Sedi-Pet Narrow Long Stem Standard Bulb Eliminate plugging, packaging and autoclaving with Thermo Scientificâ?¢ Samcoâ?¢ Narrow Stem Transfer Pipettes. These polyethylene pipettes prevent cross-contamination and are used for blood bank applications such as sedimentation procedures. The single-unit design features a built-in pipette bulb, and a flexible stem bends to sample from narrow or small tubes. Made of shatterproof, nontoxic polyethylene Low-affinity surface reduces loss of cells and valuable proteins due to binding Can be frozen in liquid nitrogen, or heat sealed for storage
