4" Heavy Duty No Hub Coupling Extension Pieces This sophisticated chemical analysis is

This sophisticated chemical analysis is complemented by rigorous quality control of incoming raw materials and iron processing

The threads have an accurate form

One Threaded Thread Type:    Female Features:    Made in the USA    Lightweight and Strong    IAPMO approved    ANSI approved

Coatings of Orange Paint or Hot Dipped Galvanized Conforming to ASTM A153

material:   Brass - Lead Free connection:   Threaded Thread Type:   Female Features:   Meets or exceeds all applicable ANSI standards   100% pressure tested before leaving the factory

4" Heavy Duty No Hub Coupling Extension Pieces This sophisticated chemical analysis isHeavy Duty Installs at 80 pounds Has 5 16" hex head screws Conforms to ASTM C1540