Detecto Portable Folding Column Digital Wheelchair Scale Mechanical Chair Scale 1 lb) Maximum Vacuum 560 168704DSDRL Life Corporation M9 Cylinder Size:Medium - 400HC568 The top layer is

1 lb) Maximum Vacuum 560 +/- 3% mmHg (56 cmHg +/- 3%) Flow Range > 40 LPM Sound Level  < 58 dBA Electrical Requirements  AC 115 V 60Hz Power Consumption 70 watts Bacteria Filter pore size 0

but also comes with a bucket to be used anywhere it is required

and expiratory pressure setting

With two sling points

Detecto Portable Folding Column Digital Wheelchair Scale Mechanical Chair Scale 1 lb) Maximum Vacuum 560 168704DSDRL Life Corporation M9 Cylinder Size:Medium 400HC568 The top layer is 1 lb) Maximum Vacuum 560 + 3% mmHg (56 cmHg + 3%) Flow Range > 40 LPM Sound Level < 58 dBA Electrical Requirements AC 115 V 60Hz Power Consumption 70 watts Bacteria Filter pore size 0 but also comes with a bucket to be used anywhere it is required