One foot longer than its predecessor, the 330XL Recharger has room for two side portals that allow manifolding at any point and cross-feed capabilities. In addition to built-in endwalls for strength and overlapping rib connection for easy installation, endwalls accept pipe up to 24 in. in diameter. 30.5 in. high, 52 in. wide, 8.5 ft. long. Storage capacity: 475 gals. Material: high-density polyethylene (HDPE).