Comparison : Item # 73155, BB 69 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
Item # 73156, BB 89 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
Item # 73157, CB 111 C Model 11.6 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
Item # 73158, CB 131 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower
Item # 73159, DB 166 C Model 14.5 Pound Per Square Inch (psi) Maximum Differential Gauge Pressure Standard Version Rotary Lobe Blower