Replicator 2X clip-on filament dust filter (one handed sponge switching possible)

Due to my handicap I needed a filament dust filter that resides on the device and that allows me to provide a one handed sponge switch. This one does just that. I am sure it can be improved further though. When I print this thing with supports, I leave the supports for the click-on bar on it to get a tighter fit with the printer's two holder structures. When I take the supports off, the thing still clicks into the printer's two holder structures with a pretty good fit, but admittedly the Replica