A bell-shaped item with a flanged bottom designed to protect laboratory apparatus and instruments from dust and fumes. It may have a top opening or side tubulation to permit vacuum filtration in microchemical procedures.
Classification: Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated, of fused quartz or other fused silica
NSN 5920-00-073-5507
NSN 5965-00-362-2158
NSN 6685-01-351-7359
NSN 5935-01-185-3660
NSN 5925-01-264-3149
NSN 5905-00-502-9919
NSN 5999-01-085-3150
NSN 5930-00-996-1020
NSN 5935-01-212-4698
NSN 5930-01-075-8254
NSN 5910-01-159-7590
NSN 5935-00-053-9294