The J-500-800PLT plastic tank from Jet Inc. offers a lightweight alternative to concrete J-1500 Series BAT Media Plants. Treatment capacity is variable from 500 to 800 gpd. They are rotational molded out of lightweight polyethylene for a seamless tank with maximum strength and durability. They are easy to transport and install in difficult site conditions. 800-321-6960; www.jetincorp.com.