Will these work for ARB blue air locker hose??

Yes they are dot conections work on all air lines , just get the right size for application

can i use with water line?

They’ll hold 90psi air. Water should be no problem.

These are not sized for standard US measurements are they?

Served our needs for both 3/8" and 10mm applications.

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Yoebor Pneumatic Push to Connect Straight Union Coupler 4mm x 4mm OD 10pcs

Product ID: 103127861

Details

Brand
Yoebor
Color
Metric Tube
Connector Type
Union
Exterior Finish
Brass
Item Weight
0.02 Kilograms
Item dimensions L x W x H
1.15 x 0.43 x

🔗4mm OD x 4mm OD precision fit

♻️Reusable for multiple connections

⚙️Up to 150 PSI operating pressure

¥2744

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Connect with confidence — precision meets performance!

DURABLE REUSABLE - Built to withstand multiple connection cycles without wear
SEAMLESS 4 MM UNION - Perfectly engineered for consistent 4mm OD tubing connections
ELLIPTICAL SLEEVE DESIGN - Ergonomic sleeve ensures secure grip and leak-free seal
QUICK CONNECT CONVENIENCE - Push-to-connect design for effortless, tool-free assembly
PRESSURE READY PERFORMANCE - Handles up to 150 PSI for reliable pneumatic power

This pack of 10 Metalwork Plastic Push to Connect Straight Union Tube Fittings offers a durable, reusable solution for 4mm OD polyurethane or nylon tubing. Designed for quick, reliable pneumatic connections up to 150 PSI, its ergonomic elliptical sleeve ensures secure, leak-free joins, making it an essential upgrade for efficient industrial and scientific applications.

Specifications

ASIN	B07C79R8F2
Best Sellers Rank	#17,090 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #54 in Push-to-Connect Fittings
Brand Name	Yoebor
Color	Metric Tube
Connector Type	Union
Customer Reviews	4.5 4.5 out of 5 stars (233)
Exterior Finish	Brass
Item Dimensions	1.15 x 0.43 x 0.43 inches
Item Weight	0.02 Kilograms
Manufacturer	Metalwork
Manufacturer Part Number	PU-Kit1
Material Type	Plastic
Model Number	PU-Kit1
Number of Pieces	10
Size	4mm x 4mm
Thread Size	4mm
Thread Type	Metric Parallel
Unit Count	10 Count

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