Shearwater Perdix Screen Protector Scuba Mesh Bags consisting of Polyester (85%) and

consisting of Polyester (85%) and Spandex (15%)

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

Digital Compass Measures and displays direction as one of 16 points Measuring range: 0 to 359 degrees Measuring unit: 1 degree 20 seconds continuous measurement Hand indication of North Bidirectional calibration Magnetic declination correction Bearing Memory

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

Purge valve: N/A

Shearwater Perdix Screen Protector Scuba Mesh Bags consisting of Polyester (85%) andScreen 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.