NOCO HM424 Sealed Battery Box Heavy-duty grade sealed battery box; Designed for a single group 24 battery Sealed battery box; Includes (1) sealed battery box, (2) 3/8-inch stainless steel rods, (1) 26-inch vent tube, (1) stainless steel battery hold-down, (4) cable grommets, and mounting hardware Designed for rugged environments; Impact resistant down to minus 40 degrees Fahrenheit, withstands acid, gas, oil and other contaminants, and immune to UV exposure Keeps your battery safe; Limits water entry, effectively collects battery acid, allows adequate ventilation, and protects against accidental contact of battery terminals Ships in Certified Frustration-Free Packaging Certified and tested; Meets United States Coast Guard (USCG) Code of Federal Regulations 183.420 and American Boat and Yacht Council (ABYC) E-10.7 specifications