90° Elbow for 4" & 6" Corrugated Drain Pipe Catalog Drainage 90° Elbow for 4" & 6" Corrugated Drain Pipe Description ADS ARC18 Leachfield / PVC Sewer & Drain / Schedule 40 / Platon Waterproofing Membrane / Form-a-Drain Foundation Footing System 90° Elbow 6562433 - 4" 90° Elbow6ELBOW - 6" 90° ElbowView Form-A-Drain Contractor Handbook Rates Please contact us for current pricing and availability. Request Availability