Spare solid glass stopcock key, NS 14,5, 2pc/pk Back Catalog number: OST-227-3141 Availability: In the manufacturer's stock Price on request - + Recommended P-CP001 VOC-Mole cap assembly,pk 1 Price on request P-CP020 O-Rings, 23mm × 3mm i.d.,pk 20 Price on request U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request