oil lubricated vacuum pump for science lab

{"cid":"91220505","title":"OEM Medical Oil Lubricated Rotary Vane Vacuum Pump For Science Lab","imgUrl":"https:\/\/img.ismap.com\/nimg\/44\/bf\/cc4dac5775d6445fab9532ac8d6f-200x200-1.jpg","attrs":{"Price":"USD450\/Set","Brand Name":"Yazreid","Model Number":"YD0040","Minimum Order Quantity":"1","Delivery Time":"1-30 days","Place of Origin":"Dongguan","Payment Terms":"T\/T","Supply Ability":"500 Sets Per Month","Packaging Details":"Carton","Application":"Laboratory\/Industrial Use","Dimensions":"650mm x 285mm x 264mm","Flow Rate":"40m\u00b3\/H","Frequency":"50Hz\/60Hz","Inlet\/Outlet Port Size":"G1 1\/4\u201d","Model":"YD0040","Oil Capacity":"1.5L","Power Source":"Electric","Type":"Rotary Vane","Ultimate Vacuum":"0.5mbar","Voltage":"220V\/380V","Weight":"43kg"}}

{"cid":"91187410","title":"DRV16 Low Noise 4 L\/s Two Stage Rotary Vacuum Pump Oil Lubricated,vacuum pump,oil rotary vane vacuum pump","imgUrl":"https:\/\/img.ismap.com\/nimg\/38\/e5\/5d89202f14de74f63fbf501454dc-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"BSC","Model Number":"DRV16","Minimum Order Quantity":"1 set","Delivery Time":"5-10 days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"1000 sets per month","Packaging Details":"wooden box","Surface":"Powder Coating","Color":"White","Speed":"16 m3\/h","Ultimate vacuum":"0.5 Pa","Noise level":"54 dB(A)","Motor Power":"0.55 kW","Voltage":"220\/single phase and 380\/3phase both aviliable"}}