IP65 Polycarbonate Windows Window – Fixed (90x90mm)IP65 Window Not Openable Material: Polycarbonate Window – Fixed (75x75mm)IP65 Window Not Openable Material: Polycarbonate Window – Openable...IP65 Window Compatible with up to 12 MCBs Openable... Window – Openable...IP65 Window Compatible with up to 8 MCBs Openable... Window – Openable...IP65 Window Compatible with up to 4 MCBs Openable... Window – Openable...IP65 Window Compatible with upto 2 MCBs Openable Material...