Have questions about this product? Our experts are here to help! Email Find Your Nearest Location Shipping: Item only available for in-store pickup or local delivery. It is not available to be shipped. 18850020DW ADS N-12 18 in X 20 ft HDPE BE Pipe SKU: ADS18850020DW Advanced Drainage Systems ADS18850020DW Selling UnitFT Smooth interior with a Manning's value of 0.012 resulting in increased flow capacity.Structurally designed corrugated exterior to support typical construction and long term live and dead loading.Inert HDPE material is resistant to the effects of chemicals, abrasion, hot soils, and effluent.Lightweight product for increased safety and reduced installed cost. Sale: $24.14 Available for Pickup Only Out of Stock MY STORE: (CHANGE) Quantity - Decrease Quantity + Increase Quantity You have exceed the amount available for purchase. If you purchase more than what is in our current inventory, the web shipping department will review your order and e-mail you with more information. Print Share Have questions about this product? Our experts are here to help! Email Find Your Nearest Location