Backscatter - AOI PEN Housing to OM-D Port 37mm Port Adapter Extension Ring TUSA X-Treme Goggle Connects to a Contacto magnetic

Connects to a Contacto magnetic power cable so you can plug into any USB-C power source

The new MK25 EVO has a proprietary thermal insulating coating on key internal components and an encapsulating main spring bushing that resist the cooling effect in previous MK25 first stage regulators

and green for manual

Features an innovative Diver Changeable Exhaust system (DCE)

corrosion-free

Backscatter - AOI PEN Housing to OM-D Port 37mm Port Adapter Extension Ring TUSA X-Treme Goggle Connects to a Contacto magneticBackscatter AOI PEN Housing to OM D Port 37mm Port Adapter Extension Ring 37mm Length Zoom Knob on Extension ring Uses AOI Type II Zoom Gears Not Compatible with Olympus E PL10 Octo Housing.