Suba-Seal^™ mixed set 

Contains ten of each sizes 9 to 57 of the above septa, with carrying box.

Storage Note for Natural Rubber Septa: Store septa in a closed bag out of sunlight to retard blooming, which is the formation of a whitish film on the surface of the rubber. Blooming is a natural process and does not affect performance. Remove visible bloom by washing or wiping off before use.

Suba-Seal is a trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.