Mission Clay Products 4" Clay Pipe
- ASTM C 700 and ASTM C 425 which supersede Federal specifications SS-P-361e and SS-P-359b
- SSPWC, Standard Specifications for Public Works Construction, also known as "Greenbook"
- International Association of Plumbing and Mechanical Officials
- Sold in 4 Foot Lengths
- Priced per foot