Distribution boxes from Tuf-Tite include a speed leveler in each outlet. They are available with four, six, seven or nine holes. Risers are available on the four- and seven-hole boxes. They come with a one-piece watertight seal that accepts 1.5-, 2-, 3- and 4-inch SDR35 or Schedule 40 pipe, including corrugated for ease of installation. 800/382-7009; www.tuf-tite.com.