Thermo Scientific ClipTip Pipette Tips (7131). Ergonomic, low-retention 30–300 µL pipette tips designed with a clip-locking mechanism for a liquid-tight seal and reliable hydrophobic sample dispensing. MPN / Catalog Model: 7131 Manufacturer & Line: Thermo Scientific / ClipTip Pipetting System Volume Capacity & Range: Engineered for precise liquid transfer in the 30 µL to 300 µL volume range Interlocking Technology: Features the proprietary ClipTip interlocking seal design that clips tips securely onto the pipettor fitting, eliminating loose tips and preventing leakage Surface & Fluidic Performance: Formulated with a hydrophobic surface to ensure complete sample recovery, minimal fluid retention, and maximum pipetting accuracy Material Construction: Molded in a cleanroom environment from high-purity virgin polypropylene (PP) to minimize sample contamination and chemical interference System Compatibility: Optimized for direct compatibility with Thermo Scientific F1-ClipTip and E1-ClipTip manual and electronic pipettors Primary Application: Precision liquid handling, assay development, genomic and proteomic sample aliquoting, and high-accuracy reagent dispensing