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The AquaTech 25mm Extension Ring is designed for use with dome ports. It extends the length of the port by 25mm. Aluminum construction with knurl grip for easy installation.
AquaTech Lens Ports feature a threaded system that is interchangeable with AquaTech Water Housings from the range prior to November 2013 and the new ATB series. No tools are required to attach or remove the port.
LP series ports will work on the following Water Housings: