VWR® Polypropylene Carboys with Versatile Caps. Supplier: VWR International. Description: VWR® polypropylene carboys are designed to provide users with a highly versatile container that maximizes storage efficiency and ease of use. Certificates. ,89170-784EA,89170-798EA,89170-800EA,89170-790EA,89170-786EA,89170-802EA,89199-166EA.