Rigid Coupling: Ductile Iron, 4 in X 4 in Fitting Pipe Size, Grooved, Class 150 Model: 0390013548

Flexible Coupling: Ductile Iron, 8 in X 8 in Fitting Pipe Size, Grooved, Class 150 Model: 0390003143

Smith Cooper COOPLET Schedule 40 Grooved X Grooved Adapter Nipple - Fig. 61GG4 - 4360001590

Smith Cooper COOPLET Schedule 40 Grooved X Bevel Adapter Nipple - 61GB4040060

Flexible Coupling: Ductile Iron, 2 in X 2 in Fitting Pipe Size, Grooved, Class 150 Model: 390003002

Dixon H34 By Valve | Grooved Quick Release Coupling Series-Q 4" Nominal Size 4.500" Pipe OD EPDM Gasket Ductile Iron, Steel

Gruvlok Flexible Coupling: Ductile Iron, 5 in X 5 in Fitting Pipe Size, Grooved, Class 150, Orange Model: 0390003101

Dixon C20BU By Valve | Grooved Standard Coupling Series-S Style 11 10" Nominal Size 10.750" Pipe OD Nitrile Rubber Gasket Ductile Iron,

Rigid Coupling: Ductile Iron, 2 in X 2 in Fitting Pipe Size, Grooved, Class 150 Model: 0390013514

Gruvlok HDPE Coupling: Ductile Iron, 4 in X 4 in Fitting Pipe Size, Grooved, Class 150, EPDM Seal Model: 0390060127

Gruvlok Rigid Coupling: Ductile Iron, 10 in X 10 in Fitting Pipe Size, Grooved, Class 150, EPDM Seal Model: 0390013589

Gruvlok 386014237 4" X 1" 7042F Grooved Female IPS Outlet Coupling With EPDM Gasket

Gruvlok Flexible Lightweight Coupling: Ductile Iron, 1 in X 1 in Fitting Pipe Size, Grooved, Orange Model: 0390000206

Gruvlok 390007375 2 1/2" 7005 Grooved Plain-End Roughneck Coupling

Gruvlok Reducing Coupling: Ductile Iron, 4 in X 3 in Fitting Pipe Size, Grooved, Class 150, Orange Model: 0390009447

Grooved Flexible Coupling | Gemlock | 1-1/2 in. | Style 12

Gruvlok 390211001 1" 7400 Grooved Rigidlite Coupling With Gasket

Smith Cooper COOPLET Schedule 40 Threaded X Grooved Adapter Nipples - 61TG4014040

Dixon R78 By Valve | Grooved Rigid Coupling Series-R Style 5 8" Nominal Size 8.625" Pipe OD EPDM Gasket Galvanized Ductile Iron,

Ten007880 Coupling,Pipe Grooved 2.5"

Gruvlok Rigid Coupling: Ductile Iron, 2 in X 2 in Fitting Pipe Size, Grooved, Class 150, EPDM Seal Model: 0390211068

Gruvlok Hingelok Coupling: Ductile Iron, 2 in X 2 in Fitting Pipe Size, Grooved, Class 150, Orange Model: 0390200020

Grooved Rigid Coupling | Gemlock | 3 in. | Style 5

Gruvlok Slidelok Coupling: Ductile Iron, 8 in X 8 in Fitting Pipe Size, Grooved, Class 150, Orange Model: 0390010122

Gruvlok 390095206 1 1/2" 7001 Grooved Galvanized Standard Coupling With EPDM Gasket

Gruvlok 1330012090 2-1/2" Grooved Copper Transition Coupling (GM617)