MFW-0.6/8-J3 Removable oil-free scroll air compressor,Comes with a dryer,a gas tank,and a filter;MFW-0.6/8-J4 Removable oil-free scroll air compressor,buit-in dreyer,as tank,and a filter. ☆技术参数可能会不经通知而变更,敬请谅解。/ Technical parameter may change without notice,please kindly understand that.