The J-500-800PLT plastic tank from Jet Inc. offers a lightweight alternative to concrete J-1500 Series BAT Media Plants. The tank offers variable treatment capacity from 500 to 800 gpd. They are rotational molded using lightweight, polyethylene material to offer a seamless tank for strength and durability. They are easy to transport and can be installed in difficult site conditions, and are supported by local, certified distributors. 800/321-6960; www.jetincorp.com.