Contec Stainless Steel 7-gallon Bucket The Contec Stainless Steel 7-gallon Bucket holds 27L and measures 21″ x 13″ x 8″. Specifically, manufacturers construct it using a deep drawn and seamless process. Consequently, this design significantly reduces the risk of microbial contamination. Furthermore, a lip around the top edge allows for easy lifting and handling. Click here to browse other Contec cleanroom essentials.