The Scubapro filter retainer mounting tool installs the star washer on top of several Scubapro first-stage filters.
 
Push it on top of the star washer and the filter and the combination will be installed in its right place.
The tool is made of aluminum.
 
The filter retainer mounting tool for Scubapro first stage is precision machined from aluminum.
 
GTIN: 8720828266571