Polylok 20″ Distribution Box – Cincinnati


We have the solution to all of your drainage needs with our new 20” Drain, Valve, & Meter Box! This box is great for large applications such as golf courses but is also a suitable size for the home. There’s no need to worry about different colored fittings or plugs to inventory because as well as accepting 2”, 3” & 4” pipe, our box can also accept 6” pipe. Our 20” Drain Box will also accept our 20” Risers so you can easily bring the Drain Box to grade. It is the most versatile Drain Box available on the market today! 20" Inside Diameter Rain Grate Cover
  • Carefully cut out required opening in the box with a knife.
  • Install seal from INSIDE the box
  • Screw on the nut from OUTSIDE the box.
  • Tighten to provide a watertight seal.
  • Remove the correct size tear out on the seal. TEAR OUT- DO NOT CUT OUT.
  • Slide the pipe into the seal.
  • One seal accepts 2", 3" & 4" (SCHD 40 and SDR 35) pipe
  • 6" seal available
  • No different colored fittings or plugs to inventory
  • Flat cover or grate included
  • 20" D-box can be used as a valve or meter box
  • Accepts 20" Polylok Riser to bring to grade
  • Optional Baffle available
  • Accepts 6" pipe