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 M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request