SciLab® PTFE Stirrer-Guide/Seals, for Φ8~Φ14mm Shafts, with 24/-, 29/-, and 34/-JointsWith 2 Bearings / Screw-Retainer / Viton O-ring, -180℃+260℃ Stable, , PTFE 스터러 씰 (SL21CAT00000034)