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> Granville phillips series 250 4" cryosorb cold trap LN2
Granville phillips series 250 4" cryosorb cold trap LN2
Granville Phillips Series 250 4" Cryosorb Cold Trap LN2
The Granville Phillips Series 250-4"-Cryosorb Cold Trap indicates that it is a 4" ASA Cold trap. The bottom of the trap (look at pictures) is actually 5.5" inner diameter (I.D.) and 9" outer diameter (O.D.) (Approximately). The top is 5 3/8" inner (I.D.) and 9" outer diameter (O.D.) (Approximately). The ASA flange is 8 holes. The cold trap utilizes liquid nitrogen.
