$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$8.40
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 $3.93
$9.99$13.92
Dixon Valve and Coupling 2-Lug Female 3/4 In. NPT EndAcme ToolsSAVE $34.33
$68.99$103.32
Dixon Valve and Coupling Universal Swivel Male 1/2 In. NPT EndAcme Tools$22.89and up
Dixon Valve & Coupling G300-C-AL Aluminum A380 Global Type C Cam and Groove Hose Fitting, 3" Socket x 3" Hose ID BarbedAmazon & 1 moreSAVE $71.38
$143.99$215.37
Dixon Valve and Coupling 1-1/2 In. NST Brass Industrial Fog NozzleAcme ToolsSAVE $3.55
$7.19$10.74
Dixon Valve and Coupling Type E 1-1/2 In. Male Adapter x Hose ShankAcme ToolsSAVE $1.54
$3.29$4.83
Dixon Valve and Coupling 1-56/64 In. x 5 In. Worm Gear Hose ClampAcme ToolsSAVE $5.27
$10.99$16.26
Dixon Valve and Coupling Air Chief Industrial Semi-Automatic Female 1/4 In. NPT CouplerAcme ToolsSAVE $6.26
$13.99$20.25
Dixon Valve and Coupling Global Cam & Groove Type A Adapter x Female 3 In. NPTAcme 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$45.30
Dixon Valve FFH2525F Brass Fire Equipment, Hex Coupling with Cast Finish, 2-1/2" NPT Female x 2-1/2" NST (NH) Female ThreadAmazon$5.51
Barb Tubing Reducing Coupling - Size : 3/4" x 1/2"Amazon$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$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 $2.18
$14.77$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$7.99
Weld Coupling Black Steel 1/4" NPT Male Half Threaded x Weldable Pipe for Fuel Tank Bung Fittings Connector 4 PcsAmazon$19.99
PEX Coupling Brass 1/2 Inch Adapters for Copper - 1/2 inch Press - PEX Pipe Connection Press Fittings (Pack of 5)Amazon$19.48
Laguna Coupling with Female Fitting for Max-Flo 4200 Waterfall and filter Pump, 1-1/4 to 1-1/2-InchAmazon$36.77
EASTMAN 4-in Schedule 40 PVC Coupling | 20599Lowe's$1.39
Charlotte Pipe 1-1/2-in Schedule 40 PVC Coupling | PVC 02100 1400Lowe'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$9.99
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$4.99and up
Charlotte Pipe Schedule 40 2-1/2 in. Slip X 2-1/2 in. D Slip PVC 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$9.99and up
Charlotte Pipe Schedule 40 3 in. Hub X 3 in. D Hub PVC Repair Coupling 1 pkAce Hardware & 1 more$7.99
FLYWTR Faucet Coupling Nut, 63/50 Inch 32 MM Quick Tighten & Release Lock Nut, One Hole Faucet Shanks Fixing Accessory, Fastener for Attaching to Faucet Shanks from Underneath the CounterAmazon$11.89
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)AmazonSAVE $7.45
$14.63$22.08
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$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 RatingAmazonSAVE $2.04
$3.95$5.99
Dixon Valve & Coupling DCP2103 Steel Air Chief Industrial Interchange Air Fitting, Quick-Connect Plug, 1/4" Coupler x 3/8" NPT Male Thread, 37 CFM Flow RatingAmazon$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$9.49
Reducing Coupling 19mm to 31mm Increaser Schedule DWV Pipe Fitting GreenBed Bath & Beyond$11.28
Dixon Valve & Coupling H2F2 Steel ISO-B Interchange Hydraulic Fitting, Nipple, 1/4" Coupling x 1/4" - 18 NPTF FemaleAmazon$10.99
Compression Coupling 6mmx6mm OD Compression Tee Pipe Fittings Blue 2 PackBed Bath & Beyond$49.99
Dixon Valve & Coupling 2HTF2 Steel Flush Face Hydraulic Quick-Connect Fitting, Coupler, 1/4" Coupling x 1/4"-18 NPTFAmazon$20.99
HQMPC Straight Coupling Push Fit PEX Fittings, 1/2" Push-to-Connect Copper, CPVC, Lead No Pb Brass Plumbing Fittings (6, 1/2 Inch(1/2"))Amazon$76.94
Dixon Valve & Coupling Valve SM150F Brass Fire Equipment, Swivel Adapter with Pin Lug, 1-1/2" NST (NH) Female x 1-1/2" NPT MaleAmazon$47.25
16mm Flange Coupling Connector, Stainless Steel RC Shaft Coupling for Connecting Motor and Wheel RC Motor AccessoriesAmazon$11.19and up
Fernco 2-in. Flexible PVC Coupling for Sewer, Drain, Waste and Vent Piping - Positively Seals Drain Connections - Rustproof Stainless Steel ClampsLowe's & 2 more$98.47
Quick Coupling Valve 1-1/2" Brass, Plastic CapAmazon$18.77and up
Flexible Coupling Repair Fitting Fernco Size: 4" x 4"Wayfair & 1 more$22.99
2Inch PVC Union Coupling, 2PCS Furniture Grade PVC Union Pipe Fittings with EPDM O-Ring, White Slip PVC Union Coupling Adapter Schedule 40 for Irrigation, Pool & Spa System, indoor Plumbing ProjectAmazon