- CE Approved . According to ISO/DIS 12216. LSO are approved for Area III, IV. CLSO are approved for Area I, II, III, IV, designs for EC craft type "any".
- 316 stainless steel machined rolled frames hand polished and electro polished to provide long lasting protection against corrosion.
- Cast 316 stainless steel hinges with set screw to adjust gasket pressure.
- Weather resistant themo-plastic NEOPRENE gasket.