Durable septic tanksAce Roto-Mold 1,500-gallon septic tanks from Den Hartog Industries are designed to be safe and durable and are manufactured with rigorous quality controls. The horizontal-flow, single- or double-compartment units are made to be installed up to 36 inches below ground. Tanks feature a circumferential ribbing and interior baffle system to sustain external pressures of up to 500 psf. They have two access openings sealed to the tank with rubber gaskets.A custom-molded gasket system locks firm for a watertight seal. Tanks are available plumbed in accordance with state or county specifications. Tanks and access covers are made of high-density
