In itself super idea to protect the console against dust. Unfortunately, it is this product is real cheap goods. Dust covers must itself be assembled, but this is not too difficult. However, these are paper-thin, cheap plastic, which does not have the necessary rigidity. Then you put the cover into the slots provided on the PlayStation, so these are partly produced due to the low material stiffness and not close flush to the console. For further dust can penetrate into the console.
The covers for the USB slots, etc. on the other hand sit better, but not ideal. However, it is questionable whether can collect dust at all in the console through these slots / ports.
The cleaning of the dust filter is almost impossible because as soon as one goes about it with a vacuum cleaner, you, as it does not find sufficient support for the complete use of outside sucked into the cheap plastic frame. For Replacement inserts are enclosed.