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-COV03 O-Ring, Size 003, pk 10 Price on request P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request T-3GBGE CW agents cold trap, TT24-7 Price on request