18" x 18", Plain x Plain, Fabricated, HDPE, 90D, Dual Wall, Mitered, Straight, Bend

Annular Corrugations with Smooth Interior

Bend Fitting; Type Dual Wall, Mitered, Straight; Angle 90 Degree; Size A 18 Inch; Size B 18 Inch; End Connection Plain x Plain; Material HDPE; Process Fabricated; Application Storm Sewer, Retention/Detention, Culvert/Cross Drain, Slope/Edge Drain, Mining/Forestry/Industrial, Foundation/Edge Drain, Downspout/Roof Drainage, Culvert, Path/Walkway/Edge Drain, Sports Playing Field, Parking Lot Drainage, Golf Course Drainage, Grain Aeration, Land Reclamation, Waterway, Terracing, Ditch Enclosure