ADVANCED DRAINAGE SYSTEMS 4010100 4" x 100' Slot Drain Tube Go to amazon.com Related posts How to find the best drainage pipe 100ft for 2022? FeatureGood quality productCorrugated slotted poly drainage tubeManufactured in China DescriptionHancor heavy duty pipe for use in non-pressure drainage applications. Made of high density polyethylene. CSA approved.