$9.99
Hard-to-Find Fastener 014973322137 Coupling Nuts, 5/16-24, Piece-5Amazon$14.39
PT Coupling 1000620Basic Standard Series 20F Aluminum Cam and Groove Hose Fitting, F-Adapter, 2" Adapter x NPT MaleAmazon$31.46
Coupling 1" Male NPT 304 Stainless Steel Pipe Fitting, 5 PackAmazon$29.99
PT Coupling Carbon Steel Round Hole Pump Suction Strainer, 2"Amazon$43.89
Parker Quick Couplings B34F Parker B34F Valve Pneumatic Quick Coupler 1/2 NPT Male BrassAmazon$6.92
Canplas 193022 PVC DWV Reducing Coupling, 2 x 1-1/2-Inch, WhiteAmazonSAVE $13.02
$27.99$41.01
Dixon Valve and Coupling 3 In. Type D Coupler x Female NPTAcme ToolsSAVE $34.33
$68.99$103.32
Dixon Valve and Coupling Universal Swivel Male 1/2 In. NPT EndAcme ToolsSAVE $3.93
$9.99$13.92
Dixon Valve and Coupling 2-Lug Female 3/4 In. NPT EndAcme ToolsSAVE $71.38
$143.99$215.37
Dixon Valve and Coupling 1-1/2 In. NST Brass Industrial Fog NozzleAcme ToolsSAVE $6.26
$13.99$20.25
Dixon Valve and Coupling Global Cam & Groove Type A Adapter x Female 3 In. NPTAcme ToolsSAVE $3.55
$7.19$10.74
Dixon Valve and Coupling Type E 1-1/2 In. Male Adapter x Hose ShankAcme ToolsSAVE $5.27
$10.99$16.26
Dixon Valve and Coupling Air Chief Industrial Semi-Automatic Female 1/4 In. NPT CouplerAcme ToolsSAVE $1.54
$3.29$4.83
Dixon Valve and Coupling 1-56/64 In. x 5 In. Worm Gear Hose ClampAcme Tools$1,524.99
Dixon DDC200SS Stainless Steel 316 Dry Quick Disconnect Fitting, Hose Coupler, 70mm Coupling x 2" NPT FemaleAmazon$91.59
Dixon 200DWBPSTSS Stainless Steel 316 Cam and Groove Hose Fitting for Butt Weld to Schedule 40 Pipe, 2" Coupling, 2.015" Bore DiameterAmazon$7.37
Shaft Coupling, Flexible, 2 to 1 10mm x 14mm couplers Spider Plum Shaft Coupler OD30mm x L40mm Plum Coupling Shaft, Aluminum Alloy Plum Motor Connector CNC Jaw Spider (10mm 14mm)Amazon$4.98and up
Keeney 1-1/2-in Plastic Straight Coupling in White | 46WKLowe's & 1 more$9.95
PVC Coupling 1/2 Inch (10-Pack), PVC Pipe Adapter Fittings (Socket x Socket) for DIY PVC Structure and Frames - Fits 1/2" Sch.40 PVC PipesAmazonSAVE $1.70
$15.25$16.95
Hydraulic Coupling Set, Hydraulic Quick Disconnect Coupling,Zg3/8 Mechanical Oil Pipe Chrome Plated Steel Quick Disconnect Coupler With safety lock function 70MpaAmazon$27.16
UTEYEEW Couplings Coupler 10mm/12mm-12mm Shaft Coupler for Motor Connector Metal Universal Joint Coupling (Inner Diameter : 10mm 12mm)Amazon$8.55
Brass Coupling Brass Pipe Fitting Brass Reducer Coupling 1/2" inch Female x 3/4" inch FemaleAmazon$21.98
Laguna Coupling with Female Fitting for Max-Flo 4200 Waterfall and filter Pump, 1-1/4 to 1-1/2-InchAmazon$19.99
PEX Coupling Brass 1/2 Inch Adapters for Copper - 1/2 inch Press - PEX Pipe Connection Press Fittings (Pack of 5)Amazon$7.99
Weld Coupling Black Steel 1/4" NPT Male Half Threaded x Weldable Pipe for Fuel Tank Bung Fittings Connector 4 PcsAmazon$11.52
Shaft Coupling Motor Connector, Universal U-Joint, ID 14mm OD 28mm, to Connect Model Airplane, Boats and Robots, Motor ConnectorAmazon$36.77
EASTMAN 4-in Schedule 40 PVC Coupling | 20599Lowe's$2.34
LASCO 1/2-in Schedule 40 PVC Compression Coupling | LPC29005RMCLowe's$0.70
Charlotte Pipe 1/2-in Schedule 40 PVC Coupling | PVC 02100 0600Lowe's$7.98
IDEAL-TRIDON 1-1/2-in Schedule 40 PVC Compression Coupling | 621708ULowe's$1.27
1/2 in. Compression Coupling for Drip Tubing (fits 0.71 in. O.D.)The Home Depot$4.17
Genova 1-1/2-in x 3-in Schedule 30 PVC DWV Reducing Coupling | 104537Lowe's$23.99
4PCS PVC Coupling Pipe Fitting, 1 inch Female Thread PVC Union Coupling Pipe Fitting, PVC Pipe Unions for Swimming Pools and Outdoor Plumbing Applications, Schedule 40, EPDM O-RingAmazon$8.95
Reducing Coupling 1/2" inch Female x 3/4" inch Female Threaded Brass Construction NPTAmazon$11.09
4 Ways Coupling, Brass Water Hose Splitter, 4 Way Cross Fitting Tee Connector, G1in Pipe Adapter Connector for Household Self Priming Pump, Pipe Fitting Coupling Brass Forged Pipe FittingAmazon$9.99and up
Charlotte Pipe Schedule 40 3 in. Hub X 3 in. D Hub PVC Repair Coupling 1 pkAce Hardware & 1 more$6.42and up
Charlotte Pipe 4-in x 4-in PVC DWV Hub Coupling for Non-Potable Water - NSF Safety Listed | PVC 00100 1400Lowe's & 1 more$9.99
GUOFIS Slip Coupling,1/2 Inch Push-fit Slip/Repair Coupling with Disconnect Clip, 1/2" Push Fittings for Copper, PE-RT, CPVC Pipe(Pack of 1)Amazon$12.99
FangKingNo 2pcs 2Inch White PVC Pipe Coupling Adapter Pipe Fittings couplers (Slip to Slip) Schedule 40 Easy to Install,and High Tensile for Home or Industrial Use (Pack of 2) (2")Amazon$11.99
Dixon Valve & Coupling DCP21S Stainless Steel 303 Air Chief Industrial Interchange Quick-Connect Hose Fitting, Plug, 1/4" Coupling x 1/4" NPT MaleAmazon$9.98
Barb Tubing Coupling Adapter Thread (1/4") x Barb 1/4" Drip Micro Irrigation Threaded With Barb 1/4-Inch Coupling(100PC/Bag)Amazon$5.31
Dixon Valve & Coupling DCP20B Brass Air Chief Industrial Interchange Quick-Connect Air Hose Fitting, Plug, 1/4" Coupling x 1/4" NPT FemaleAmazon$21.11
Dixon Valve & Coupling G75-C-SS Investment Cast Stainless Steel 316 Global Type C Cam and Groove Hose Fitting, 3/4" Socket x 3/4" Hose ID Push-OnAmazon$22.22
Dixon Valve & Coupling G75-F-SS Investment Cast Stainless Steel 316 Global Type F Cam and Groove Hose Fitting, 3/4" Plug x 3/4" NPT MaleAmazon$190.58
Dixon Valve & Coupling M20-50GAX Polyester Coupled Single Jacket Mill Hose with Rocker Lug, Female x Male, 112 psi Maximum Pressure, 50' Length, 2" Hose ID, WhiteAmazon$19.99
Dixon Valve & Coupling 250-A-AL Aluminum 356T6 Boss-Lock Type A Cam and Groove Hose Fitting, 2-1/2" Plug x 2-1/2" NPT FemaleAmazon$4.32
Dixon Valve & Coupling DCP2143 Steel Air Chief Industrial Interchange Air Fitting, Quick-Connect Plug, 1/4" Coupler x 5/16" Hose ID Barbed, 37 CFM Flow RatingAmazon$4.65
Dixon Valve & Coupling Valve P4F6 Steel Thor Interchange Pneumatic Fitting, Nipple, 1/2" Coupling x 3/4" - 14 NPTF Female ThreadAmazon$10.99
Compression Coupling 6mmx6mm OD Compression Tee Pipe Fittings Blue 2 PackBed Bath & Beyond$11.28
Dixon Valve & Coupling H2F2 Steel ISO-B Interchange Hydraulic Fitting, Nipple, 1/4" Coupling x 1/4" - 18 NPTF FemaleAmazon$9.49
Reducing Coupling 19mm to 31mm Increaser Schedule DWV Pipe Fitting GreenBed Bath & Beyond