Manufactured from corrosion-proof glass reinforced polyester, Type 4X Outdoor Equipment Enclosures protect instrumentation and electrical equipment in marine and coastal areas. MULTIBOX and DIABOX families offer containment capacities of 27–277 L and 25–250 L, respectively, and comply with CSA 22.2 94.2-07, UL50/50E, and NEMA 250 standards. Two-part construction is sealed by continuous silicon or EPDM synthetic rubber gasket embedded within containing groove, providing ratings up to IP68.