Weems & Plath Endurance 085 Comfortmeter | by West Marine

O-Ring seated behind glass for weatherproof construction Key Features: Compact size for areas with limited wall space Temperature-compensated, fully adjustable aneroid movement with inch & millibar scales Calibrated for altitudes to 3,500' above sea level Maintenance-free, ultra-hard, chrome finish - Beveled glass crystal Patented Slide-n-lock™ Mounting System - No visible mounting screws, easy removal for adjustments | Weems & Plath Endurance 085 Comfortmeter | by West Marine