Coupling: Malleable Iron, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 2WU61

Pipe Coupling: Schedule 80, PVC, 4 in X 4 in Size, Threaded X Threaded, Female NPT X Female NPT Model: 830-040

Merchant Coupling: Steel, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 4HVG9

Coupling: Malleable Iron, 4 in X 4 In, NPT X NPT, Class 150 Model: 2WJ46

Reducing Coupling: Malleable Iron, 4 in X 2 In, NPT X NPT, Class 150 Model: 2WJ60

Coupling: 304 Stainless Steel, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 40FC111N040

Coupling: 316 Stainless Steel, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 60FC111N040

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

Male Adapter: Schedule 40, 4 in X 4 in Fitting Pipe Size, Male NPT X Female Socket, White Model: 1WKG8

Merchant Coupling: Steel, 4 in X 4 In, NPT X NPT, Class 150 Model: 511-231

Lasco Pipe Adapter: Schedule 40, PVC, 4 in X 4 in Size, Threaded X Socket, Male NPT X Female, White, 140F Model: 436040

Reducing Coupling: Malleable Iron, 4 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 2WU72

Anvil Coupling: Malleable Iron, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 0310081807

Female Adapter: Schedule DWV, 4 in X 4 in Fitting Pipe Size, Female Socket X Female NPT, White Model: P101-040

Coupling: Schedule DWV, 4 in X 4 in Fitting Pipe Size, Female Socket X Female Socket, White Model: P100-040

Anvil Merchant Full Coupling: Steel, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 0320200280

Adapter: Schedule 40, 4 in X 4 in Fitting Pipe Size, Female Socket X Female Socket, White Model: 1WKK3

Anvil API Line Coupling: Steel, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 0320201874

Anvil Coupling: Forged Steel, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 0361157209

4 in. NPT Threaded - Banded Full Coupling - 150 A197 Black Malleable Iron Pipe Fitting - UL/FM

4 in. NPT Threaded - Banded Full Coupling - 150 A197 Galvanized Malleable Iron Pipe Fitting - UL/FM

4 in. NPT Threaded - Full Coupling - 150 Cast 316 Stainless Steel Pipe Fitting

EBAA 3800 MEGA-COUPLING Restrained Pipe 4" Size

Adapter: Schedule DWV, 4 in X 4 in Fitting Pipe Size, Female Socket X Female Socket, White Model: P117-040

Straight Coupling: Aluminum, 4 in X 4 in Fitting Pipe Size, Class 150, Female NPT X Female NPT Model: ZUSA-PF-9390

Fernco 4" Universal Sewer And Drain Repair Pipe Coupling HULK4

Value Collection | Anvil Black Coupling: 4", Threaded - Steel, ASTM, Class 150 | Part 410T40

Smith Cooper 150 Black Malleable Iron 4 in. Banded Coupling Pipe Fittings - Threaded - 4316000324

Smith Cooper Bronze 4 in. Coupling Fitting - Threaded - 4385001420

4" FNPT 316 SS Threaded Coupling

Smith Cooper 3000 Forged Carbon Steel 4 in. Coupling Fitting - Threaded - Fig. 42CP3 - 4308000122

4" Cast Threaded Full Coupling 150 316 Stainless SN: S3016CP040 At Hydraulics Direct

4" Schedule 80 PVC Coupling Threaded, 830-040

Coupling Coupling, 4" Pipe, FNPT, Malleable Iron, Class 150