- $11.34Hard-to-Find Fastener 014973322137 Coupling Nuts, 5/16-24, Piece-5Amazon
- $14.39PT Coupling 1000620Basic Standard Series 20F Aluminum Cam and Groove Hose Fitting, F-Adapter, 2" Adapter x NPT MaleAmazon
- $31.46Coupling 1" Male NPT 304 Stainless Steel Pipe Fitting, 5 PackAmazon
- $29.99PT Coupling Carbon Steel Round Hole Pump Suction Strainer, 2"Amazon
- $43.89Parker Quick Couplings B34F Parker B34F Valve Pneumatic Quick Coupler 1/2 NPT Male BrassAmazon
- SAVE $3.93$9.99$13.92Dixon Valve and Coupling 2-Lug Female 3/4 In. NPT EndAcme Tools
- SAVE $34.33$68.99$103.32Dixon Valve and Coupling Universal Swivel Male 1/2 In. NPT EndAcme Tools
- SALE"Dixon Valve H2F2-B Brass ISO-B Interchange Hydraulic Fitting, Nipple, 1/4"" Coupling x 1/4"" - 18 NPTF Female"Amazon・Sale
- SAVE $13.02$27.99$41.01Dixon Valve and Coupling 3 In. Type D Coupler x Female NPTAcme Tools
- SAVE $71.38$143.99$215.37Dixon Valve and Coupling 1-1/2 In. NST Brass Industrial Fog NozzleAcme Tools
- SAVE $6.26$13.99$20.25Dixon Valve and Coupling Global Cam & Groove Type A Adapter x Female 3 In. NPTAcme Tools
- SAVE $5.27$10.99$16.26Dixon Valve and Coupling Air Chief Industrial Semi-Automatic Female 1/4 In. NPT CouplerAcme Tools
- SAVE $1.54$3.29$4.83Dixon Valve and Coupling 1-56/64 In. x 5 In. Worm Gear Hose ClampAcme Tools
- SAVE $3.55$7.19$10.74Dixon Valve and Coupling Type E 1-1/2 In. Male Adapter x Hose ShankAcme Tools
- $1,524.99Dixon DDC200SS Stainless Steel 316 Dry Quick Disconnect Fitting, Hose Coupler, 70mm Coupling x 2" NPT FemaleAmazon
- SALESharkBite 1-1/4 Inch Slip Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UXL0635Amazon・Sale
- $91.59Dixon 200DWBPSTSS Stainless Steel 316 Cam and Groove Hose Fitting for Butt Weld to Schedule 40 Pipe, 2" Coupling, 2.015" Bore DiameterAmazon
- $6.59Gilmour Brass Threaded Male Quick Connector CouplingAce Hardware
- $9.99Ace Brass Threaded Female Quick Connector CouplingAce Hardware
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- $4.98and upKeeney 1-1/2-in Plastic Straight Coupling in White | 46WKLowe's & 1 more
- $9.95PVC 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 PipesAmazon
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- $36.77EASTMAN 4-in Schedule 40 PVC Coupling | 20599Lowe's
- $2.99Orbit Brass Threaded Double Male Quick Connector CouplingAce Hardware
- SAVE $0.81$5.27$6.08Spears 429 Series PVC Pipe Fitting, Coupling, Schedule 40, White, 2" SocketAmazon
- $1.39Charlotte Pipe 1-1/2-in Schedule 40 PVC Coupling | PVC 02100 1400Lowe's
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- $8.95Reducing Coupling 1/2" inch Female x 3/4" inch Female Threaded Brass Construction NPTAmazon
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- $11.89Dixon Valve & Coupling DCP21S Stainless Steel 303 Air Chief Industrial Interchange Quick-Connect Hose Fitting, Plug, 1/4" Coupling x 1/4" NPT MaleAmazon
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- SAVE $9.83$142.16$151.99Dixon 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
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- $10.99Compression Coupling 6mmx6mm OD Compression Tee Pipe Fittings Blue 2 PackBed Bath & Beyond
- $9.49Reducing Coupling 19mm to 31mm Increaser Schedule DWV Pipe Fitting GreenBed Bath & Beyond
- $49.99Dixon Valve & Coupling 2HTF2 Steel Flush Face Hydraulic Quick-Connect Fitting, Coupler, 1/4" Coupling x 1/4"-18 NPTFAmazon
- $20.99HQMPC 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