Ex-e extension screw connection polyamide, IP66 / IP68 - 0.1 bar, M32, housing material: polyamide, wrench size: 46, marking according to 94/9/EC: Ex II 2 G Ex e II / Ex II 2 D Ex tD A21 IP66, EC type examination certificate: PTB 99 ATEX 3101 X (M12-M16) / PTB 99 ATEX 3128 X (M20-M63), permissible ambient temperature: -20 °C to 70 °C, protection class according to EN 60529: IP66 / IP68 - 0.1 bar,