Additional InformationASTM D1784/D2665/D3311/F1866|NSF 14
Marketing InformationStandards provide greater assurance of product performance and consistency and are available to assist design engineers in system specification. The most frequently referenced industry standards for plastic piping systems are ASTM standard specifications and practices. Along with ASTM standards, additional product specifications and certifications form the basis of product conformance to which Spears® products are manufactured.