The HM426 features a four-corner fastening system and captive lid for easy installation, large cable entry holes for heavy gauge wires, full flow ventilation for releasing battery gasses, and a large battery acid reservoir. The design provides ultimate pr

Details The HM426 features a four-corner fastening system and captive lid for easy installation, large cable entry holes for heavy gauge wires, full flow ventilation for releasing battery gasses, and a large battery acid reservoir. The design provides ultimate protection in low-temperature environments and protects against UV, oil, gas, and more.