Camco's Vented Side-By-Side Double Battery Box protects your RV batteries against collisions and contaminants. It stores (2) group 24 batteries. A vented design expels hazardous gases, allowing you to safely hold your batteries in storage compartments. This camper battery box measures 18 1/8-inches (L) x 14 5/8-inches (W) x 14-inches (H) (including ports) & 18 1/8-inches (L) x 14 5/8-inches (W) x 12 1/2-inches (H) (excluding ports). It includes: (1) battery box, (1) hose, (1) hose mount plate, (1) louvered vent grill, foam tape, and mounting/installation hardware. This product is a safe and dependable RV storage solution for your batteries.