G300C G300 C G300 C Specification Acoustic insulation from 38 dB to 42 dB Thermal transmittancefrom 1,8 W/m2k to 1,4 W/m2k Wind resistancefrom 3C to 5C Waterproof resistancefrom n.p.d. to 3A Air permeabilityfrom 2 to 4 Deadbolts operates by high security Euro - profile Cylinder, equipped by defender on external side, from inside thumbturn operates latch and locking system, handle operates latch only, keys in sealed package. 13 fixing points Close Download section Armored doors data sheet - Class 3 (.pdf, 334 kB) Close T300CEuropean cylinder lock G30CSEuropean Cylinder lock and Yale Service Cylinder T30XTDouble European Cylinder lock