Complete hose with arm in it one end to vacuum cleaner past, the laws in it other end to the tube. Match to following printers: p 510 p 511 cat & however, plus p 511 p 512 p 512-1 cat & however, plus p 512-1 parquet & co 500 p 518 p 518-1 parquet 500 s500 S558 s600 S658