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 U-T11GPC-2S Unity 2/TD-100 Cold Trap carbon C4/5-C30/32 Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request