The 20-inch Drainage/Distribution Box from Polylok is ideal for large applications such as golf courses, but is also a suitable size for home. There’s no need to worry about different-colored fittings or plugs to inventory because as well as accepting 2-, 3- and 4-inch pipe, the units also accept 6-inch pipe. They will also accept Polylok’s 20-inch risers to easily bring the unit to grade. 800/765-9565;

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