Shearwater Perdix Screen Protector Scuba Mesh Bags It is a single lens

It is a single lens masks with an incredibly wide field of vision

but with a high visibility yellow cover and long yellow hose for easy access and air sharing

The fin blade extends from the top of the foot pocket to maximize the surface area

Low drag design

Shearwater Perdix Screen Protector Scuba Mesh Bags It is a single lensScreen protector (for Perdix only) This peel and stick clear display protection film is die cut to fit only the Shearwater Perdix model dive computer. It does NOT fit the Petrel. This is the genuine OEM replacement film supplied by Shearwater that also comes pre installed on all new Shearwater Perdix model dive computers. Provides scratch and abrasion protection for your computer's screen.