Crucible Holdr Npr S6 , Case Of 72

Details:

Neoprene crucible holders filter adapter^ size 6 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. 40Mm high. 70Mm top od. 46Mm bottom od.