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 5945-01-324-2443
NSN 5999-01-592-0566
NSN 5835-00-443-1079
NSN 6645-01-254-0490
NSN 5960-01-370-4285
NSN 5835-01-259-0859
NSN 6150-01-259-4379
NSN 5935-01-465-7582
NSN 5855-01-169-9228
NSN 5895-00-558-9032
NSN 5985-01-470-5296
NSN 6150-01-568-9041