Strong and easy to install, these two compartment septic tanks by Ace Roto-Mold are less expensive than old-fashioned, concrete septic tanks. Made out of a high-density polyethylene with UV inhibitors, these tanks still offer the quality construction and safety you demand out of your septic tank. Ace Roto-Mold tanks utilize a horizontal flow designed for below ground installations up to 36 inches. Each tank carries an individual serial code and is fully documented from date of manufacture. The trapezoidal deep-rib design and interior baffle system make Ace Tanks the industry choice. The custom-molded gasket in the lid is manufactured from extruded Nitrile rubber, the gasket snaps into the lid and ensures a water-tight seal. Note: Please refer to the size chart for dimensions, weights, etc. | Ace Roto-Mold Two Compartment Septic Tank | Size 1000 gal