It matches into the crowd manage in place of the standard filter. Back flushing your coffee mechanical device helps to take away coffee residue which builds up inside the crowd head. The blind filter out can be used in conjunction with cleaning tablets. Please that your espresso mechanical device points a suitable strain launch valve and that the diameter is right on your espresso machine. HOW TO USE IT? Remove your filter basket from the portafilter and put in a backflush disc basket. Spoon roughly 0 teaspoons of backflush cleaner into the basket. Put the portafilter again into the brew organization and switch on the pump. In about 20 seconds the pump gets very quiet. This is a results of the stress now being built up. When the stress has built up (quiet), flip off the pump. You will then hear a “whoosh” sound because the cleaner will get blown up into the brew group, throughout the three-way valve and empties into the drip tray. Repeat this assignment until the froth out into the drip tray is clean. Remove the handle and rinse the cleaner out of the handle. Put the handle back into the mechanical device back and do a couple extra backflushes without cleaner…using . Lastly, get rid of the manage and turn the pump about a to rinse the rest cleaner out of the brew group. colour:Silver Material:stainless metallic size:Length:70mm. Bottom diameter:58mm Diameter: 60mm. Height: 20mm. Package Contents: 1*Blind cup, non-porous clear out bowl Note: Please that your coffee machine aspects an appropriate strain launch valve and that the diameter is true in your espresso machine. Only the above package content, various merchandise aren't included. Note: Light and varied reveals may cause the colour of the item in the picture slightly various from the real thing. The size allowed error is +/- 1-3cm.