The protection system of the PERDIX dive computer is made of machined and anodized aluminum, it is designed to cover the original case by interlocking 8 mm so as to protect the top but also the sides of the PERDIX. The tight fit ensures good support, the Protector is secured by 1 0-ring to prevent any loss. 
This system does not require any tools for its installation and can be dismantled very quickly for cleaning. 
 

Material: Anodized Aluminum T6082