Do you have columns without frits? Are these frits removable, or glued to the bottom?

The frits are press fit into the bottom of the column, no adhesive is used. We do not offer columns without the frits in them.

Item No.: R1020 - Column w/ Frit, 18.5mL Bed Area Capacity. What is the pore size of the frit in this column? Thank you in advance.

The porosity for this frit is 45-90 microns. We sell extra frits (R1022) for these columns.

what is the catalog number of the \" low cost disposable funnel\"?

We have two lost cost disposable funnels that will fit the R1020. We have the 145mL Funnel for use w/ all Rad Columns (R1030-145) and the 250mL Funnel for use w/ all Rad Columns (R1030-250).

Do you sell column stands for these columns? (R1020)

We do not have individual stands for the columns, but we do carry a rack to hold several at once. RR1002 is designed to hold 12 columns and has various configurations to allow for the collection of material draining from the columns.

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