Facepiece & Hood Suspension and Lens Replacement Parts : Survivair Opti-Fit Full Facepiece Buckle/Strap Long Made Of Tpe

Indicates positive, negative, or differential pressure • Bezel provides flange for flush mounting in panel • Clear plastic face is highly resistant to breakage and provides undistorted viewing of pointer and scale • Precision litho-printed scale is accurate and easy to read • Red tipped pointer of heat treated aluminum tubing is easy to see • Pointer stops of molded rubber prevent pointer over-travel without damage • "Wishbone" assembly provides mounting for helix, helix bearings and pointer shaft • Jeweled bearings are shock-resistant mounted to provide virtually friction-free motion for helix, and are motion damped with high viscosity silicone fluid