Glass columns for biofiltration

[Tom McCloud]

    All of the scientific glass companies have columns like that in
their catalogs.   Look at Kontes,  LabGlass, Quark,  Ace Glass.
Tom McCloud



On 30 Mar 2001 08:19:11 +0100, asriniva at eng.utoledo.edu (anand
srinivasan) wrote:

>Hi ,
>
>I am in search of a glass column of size approx. 30 cm in length & 3-3.5 cm 
>in dia.
>that can used for Biological filtration of drinking water.
>
>Can anybody give me som info about companies that manufactures these sort 
>of glass columns.
>
>regards,
>Anand
>
>---