How To Build A Greywater Sump Pump Filter Part 2 This is part 2 in this series. In this video we show you how to: Drill the holes in the filter shelf. Drill the hole for the inlet pipe. Drill the holes for the power cord and outlet pipe. Cut the filter material. You Might Also Like How To Cut the Greywater Aquifer Pipe April 26, 2020 How To Bury The DIY Greywater Aquifer Pipes May 6, 2020 Easy Permits For Your Greywater System May 2, 2019