ASTM F2881/F2881M : 2021 Title: Standard Specification for 12 to 60 in. [300 to 1500 mm] Polypropylene (PP) Dual Wall Pipe and Fittings for Non-Pressure Storm Sewer Applications Pages: 8 Year: 2021 Publisher: American Society for Testing and Materials Availability: Within 1-2 working days