SPECTACLES BOLLE SILIUM METAL FRAME PC WRAP-AROUND LENSES Dissolved O2 Meter Portable 5) is usually sufficient

5) is usually sufficient

Overall height 92mm

This type has approximately twice the surface of a plain double surface condenser of the same effective length

Allow multiple waste streams to be routed through one inlet in the waste cap

SPECTACLES BOLLE SILIUM METAL FRAME PC WRAP-AROUND LENSES Dissolved O2 Meter Portable 5) is usually sufficientStrong, nickel free metal frame with PVC nosepads and wrap around extended lenses in clear carbo glass coated polycarbonate, offering side protection. Lenses comply to BS EN166 170 1F. With flexible side arm hinges and soft ear hooks for a comfortable, close fit. Weight 34g. Carbo glass mentioned in the specification is a high impact but scratch resistant material based on polycarbonate but sprayed with a quartz crystal coating. Kitemarked and CE