BASi is a drug development firm providing contract research services and unique products for the pharmaceutical, biotechnology and medical device industries.

Both the BASi mouse and rat metabolism cages are available on a stand that does not require use of the Raturn mechanism. This enables the cages to be used purely for urine and feces collection without tying up expensive apparatus and without requiring any computer accessories. This enables the scientist to get more use from these cages without tying up more expensive blood or dialysis sampling equipment.