Product Name: Grooved Coupling, Rigid Coupling
Body Material: Ductile Iron ASTM A536 Grade 65-45-12
Gasket Material: EPDM Rubber
Size: DN100 (OD 114.3mm)
Surface Treatment: Epoxy Painting (Red Color)
Certificate: UL & FM
Source: https://www.landeepipefitting.com/ductile-iron-grooved-coupling-gr-65-45-12-dn100.html