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Got Bugs? Check Out Whatman's New BugStopper(TM)

BugStopper from Whatman, Inc. Out with the old and in with the new. Progress. Change. These ideas come to mind when one first encounters the BugStopper™, a new product from Whatman, Inc. Offered as a high tech replacement for the ubiquitous cotton plugs used for sealing culture flasks, the BugStopper revolutionizes the late 19th century's cotton plug with 21st century materials and technology. Resembling a large, hollow rubber stopper, the BugStopper is manufactured from transparent, me

Michael Brush


BugStopper from Whatman, Inc.
Out with the old and in with the new. Progress. Change. These ideas come to mind when one first encounters the BugStopper™, a new product from Whatman, Inc. Offered as a high tech replacement for the ubiquitous cotton plugs used for sealing culture flasks, the BugStopper revolutionizes the late 19th century's cotton plug with 21st century materials and technology.

Resembling a large, hollow rubber stopper, the BugStopper is manufactured from transparent, medical-grade silicon and incorporates a microfiber filter vent. The vent is made from hydrophobic ultrafine glass microfiber media reinforced with a polyester monofilament layer and is supported in the top of the BugStopper by a stainless steel reinforcing ring. Altogether, this assembly allows for ample gas exchange into a culture flask while excluding contaminating microorganisms. According to the company, independent tests show that the BugStopper has 99.9% bacterial and viral filtration efficiency ratings. Furthermore, Whatman's...

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