55mm XL Extension Port with Flat Lens Element

This is a 55mm GDome Extension Port for the GDome XL.

This product will come complete with seals for the front and back of the extension as well as a flat acrylic lens element. 

Includes: 

1 x Top Seal 

1 x Bottom Seal

1 x Extension Port

1 x Flat Acrylic Lens Element 

6 x Stainless Steel Screws (for the lens element)