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.

Metalwork Plastic Push To Connect Straight Union Pipe Tube Reducer

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

$19.59

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered 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 British Virgin Islands.

Secure transaction

Description

🔗 Connect with confidence—where precision meets durability!

DURABLE PBT POLYMER - Engineered to resist solvents, heat, shrinkage, and impact for long-lasting reliability.
HIGH PRESSURE READY - Handles up to 150 psi, ensuring robust performance under demanding conditions.
COMPACT LIGHTWEIGHT - Slim 1.34-inch design fits tight spaces without compromising strength or flow.
PRECISION SIZE REDUCTION - Seamlessly connects 8mm to 4mm pipes, perfect for versatile pneumatic setups.
EFFORTLESS PUSH TO CONNECT - Tool-free installation for instant, secure pipe connections—no soldering needed.

This pack of 10 Metalwork Plastic Push-to-Connect Straight Union Reducer Fittings offers a reliable solution for connecting 8mm and 4mm pipes. Crafted from high-performance polybutylene terephthalate (PBT), these fittings resist solvents, heat, and impact while supporting pressures up to 150 psi and operating temperatures from 32 to 140°F. Ideal for professional pneumatic and plumbing applications, they enable quick, tool-free installation and ensure durable, leak-free connections.

Specifications

ASIN	B07CG7GQBK
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#36,955 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #120 in Push-to-Connect Fittings
Brand	Yoebor
Color	Metric Tube
Connector Type	Union
Customer Reviews	4.6 4.6 out of 5 stars (157)
Date First Available	April 16, 2018
Exterior Finish	Brass
Is Discontinued By Manufacturer	No
Item Weight	1.44 ounces
Item dimensions L x W x H	1.34 x 0.6 x 0.6 inches
Manufacturer	Metalwork
Material	Plastic
Measurement System	metric
Number of Pieces	10
Product Dimensions	1.34 x 0.6 x 0.6 inches
Size	8mm x 4mm
Thread Type	NPT

Reviews

B**R

Work fine on my tire machines at my shop

Good price easy to use as durable as plastic can be function as should would buy again

12.09.2025

D**S

True to size. Works well.

Nice reducer coupling worked perfectly.

26.06.2025

B**S

As expected.

Good

19.12.2019

M**I

good quality

good quality and fare price!

5.10.2021

L**B

Excellent quality

Excellent quality, Made connecting the air ride a hassle free job.

9.10.2019

J**T

Seals perfect

Exactly as described fit perfect and seals great

15.01.2020

D**D

Great product

This product works great on our milking machine.

11.10.2019

C**Z

They work

They are good and seal up great. Durability may be low just by what they feel like.

25.09.2022

E**R

Great product and the quality was good. The price was just right. would purchase from the seller again

3.01.2025

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

$19.59

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered 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 British Virgin Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

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

5 days ago

View all Trustpilot reviews

Metalwork Plastic Push to Connect Straight Union Pipe Tube Reducer Fitting, 8mm OD x 4mm OD, Reducing Coupler Straight Pneumatic Connector (Pack of 10)

Details

Details

Description

Specifications

Reviews

Common Questions