The Basic MPS theatre trolley consists of a stand base mounted on five castor wheels made of plastic moulded and pole incorporating two no’s 2000 ml , jar ( made of transparent & unbreakable polycarbonate) is of aluminum duly anodized an rust proof. 2 nos jar fitted in trolley are autoclavable at 121º C. Vacuum regulator fitted with TST, is made of aluminum duly anodized and cap is made of ABS. Regulator body which houses an ON/OFF knob, regulation knob, vacuum gauge graduated in mbar.