SciLab® PTFE Stirrer-Guide/Seal, for Φ8~Φ14mm Shafts, with 24/-, 29/-, and 34/-JointsWith 2 Bearings·Screw-Retainer·Viton O-ring, All PTFE, -180℃+260℃ Stable, PTFE 스터러 씰 (SL21CAT00003357)