Central Research Laboratories enables a safe and efficient 'bagless' means of transfer of hazardous or toxic materials into and out of contained areas with the 55 Gallon Waste Drum Transfer System (55G WDTS). This patented* system from CRL has been engineered to allow rapid and repeatable transfers without breaking cell containment. For more information please contact CRL at 651-388-3565 or visit www.destaco.com/crl *Patent 7,690,406.