Sea&Sea DX Extension Ring 40L @photolight Simply turn the front element

Simply turn the front element of the filter to accommodate to the different depths without bringing different filters

*Manganese batteries not compatible

An adapter to link GoPro housing on a ball-joint of INON Carbon Telescopic Arm/Stick Arm to create a selfie

Only minimum parts replacement can refresh these controls even you need to change bearings

There is no cooling effect so the warm

Sea&Sea DX Extension Ring 40L @photolight Simply turn the front elementSea&Sea DX Extension Ring 40L (40mm) for DX S120 port extended. Compatible with Sea&Sea MDX series housings. Specifications Dimensions (DIAxD): 132 x 55mm 5. 2 x 2. 2 inches Weight: Approx. 280g 9. 9 oz Depth rating: 100m 330ft Construction: Corrosion resistant aluminum alloy (alumite coating)