what does the "OD" stand for?

"OD" stands for Outside Diameter of the tubing.

Can this be used for water filtration system?

Yes. I've seen them used on those systems.

Can this be used for fuel lines ?

No, this is specifically used for computer cooling. Fuel requires a different types of material that you can find at an auto parts store.

Can these be used for 3/8 to 1/4 inch tubing reduction?

You really need to match standard or metric.

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Yoebor Pneumatic Push to Connect Reducer Union Coupler 8mm x 4mm OD 10pcs

Yoebor Pneumatic Push to Connect Reducer Union Coupler 8mm x 4mm OD 10pcs

Product ID: 78636550

Details

Brand
Yoebor
Color
Metric Tube
Connector Type
Union
Exterior Finish
Brass
Item dimensions L x W x H
1.34 x 0.6 x
Manufacturer
Metalwork

💪150 psi working pressure

🔥Heat & impact resistant

🔧Push-to-connect ease

56.75 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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Description

🚀 Connect smarter, not harder—upgrade your flow game with Yoebor!

TOOL FREE INSTALLATION - Snap pipes together effortlessly—no tools or sealants needed, perfect for fast, clean setups.
DURABLE PBT CONSTRUCTION - Engineered from polybutylene terephthalate for superior resistance to solvents, heat (32-140°F), and impact—built to last.
HIGH PRESSURE PERFORMANCE - Reliable under pressures up to 150 psi, ensuring safety and efficiency in demanding environments.
COMPACT CONVENIENT 10 PACK - Get a bulk set of 10 couplers, ready to upgrade multiple projects or keep spares on hand.
VERSATILE SIZE COMPATIBILITY - Reducer union design connects 8mm to 4mm pipes seamlessly, ideal for diverse pneumatic systems.

The Yoebor Pneumatic Push to Connect Reducer Union Coupler (8mm x 4mm, 10pcs) offers a robust, tool-free solution for connecting pipes of different diameters. Made from high-grade polybutylene terephthalate, it withstands solvents, heat up to 140°F, and pressures up to 150 psi. Designed for quick, reliable pneumatic installations, this compact set is a must-have for professionals seeking durable, efficient pipe connections.

Specifications

ASIN	B07CG7GQBK
Best Sellers Rank	#32,315 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #105 in Push-to-Connect Fittings
Brand Name	Yoebor
Color	Metric Tube
Connector Type	Union
Customer Reviews	4.7 4.7 out of 5 stars (160)
Exterior Finish	Brass
Item Dimensions	1.34 x 0.6 x 0.6 inches
Manufacturer	Metalwork
Material Type	Plastic
Number of Pieces	10
Set Name	Yoebor Pneumatic Push to Connect Reducer Union Coupler 8mm x 4mm OD 10pcs
Size	8mm x 4mm
Thread Type	NPT
Unit Count	10 Count

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56.75 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews