Crucible Holdr Npr S5 , Case Of 72

Details:

Neoprene crucible holders filter adapter^ size 5 tapered collar-type holders support funnels crucibles and more in vacuum-type filtration assemblies. Holders can be used alone or with adjacent sizes. Positive but easy to release gas-tight seal. 35Mm high. 58Mm top od. 37Mm bottom od.