---
product_id: 240699217
title: "John GuestAcetal Copolymer Tube Fitting, Reducing Elbow, 3/8\" x 5/16\" Tube OD (Pack of 10)"
brand: "john guest"
price: "$86.73"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/240699217-john-guestacetal-copolymer-tube-fitting-reducing-elbow-3-8-x
store_origin: US
region: United States of America
---

# Low moisture absorption Reducing elbow 230 psi pressure John GuestAcetal Copolymer Tube Fitting, Reducing Elbow, 3/8" x 5/16" Tube OD (Pack of 10)

**Brand:** john guest
**Price:** $86.73
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with Confidence!

## Quick Answers

- **What is this?** John GuestAcetal Copolymer Tube Fitting, Reducing Elbow, 3/8" x 5/16" Tube OD (Pack of 10) by john guest
- **How much does it cost?** $86.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/240699217-john-guestacetal-copolymer-tube-fitting-reducing-elbow-3-8-x)

## Best For

- john guest enthusiasts

## Why This Product

- Trusted john guest brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pack of 10:** Stock up and save with this convenient pack for all your plumbing needs.
- • **Durable Design:** Crafted from acetal copolymer for superior strength and longevity.
- • **High Performance:** Withstands working pressures up to 230 psi for reliable performance.
- • **Quality Assurance:** Meets NSF standards 14, 51, and 61 for peace of mind.
- • **Seamless Connections:** Effortlessly connect pipes of varying diameters with this reducing elbow.

## Overview

The John Guest Acetal Copolymer Tube Fitting is a robust reducing elbow designed for connecting pipes or tubing of different diameters at an angle. Made from high-quality acetal copolymer plastic, it boasts low moisture absorption and exceptional tensile and flexural strength. With a working pressure capacity of up to 230 psi, this fitting meets NSF standards 14, 51, and 61, ensuring reliability and safety in your plumbing applications. Available in a pack of 10 for your convenience.

## Description

John GuestAcetal Copolymer Tube Fitting, Reducing Elbow, 3/8" x 5/16" Tube OD (Pack of 10)

## Features

- Reducing elbow for connecting two pipes or tubing with different diameters at an angle
- Fitting connects to tubing on both ends
- Acetal copolymer plastic for low moisture absorption and high tensile and flexural strength
- Working pressure of up to 230 psi
- Meets NSF standards 14, 51, and 61 for quality assurance

## Product Details

- **Size:** 3/8" Tube OD x 5/16" Tube OD
- **Material:** Acetal
- **Brand:** John Guest
- **Color:** Gray
- **Item dimensions L x W x H:** 4.9 x 3.5 x 0.7 inches
- **Connector Type:** Elbow
- **Thread Type:** NSF
- **Item Weight:** 0.2 Pounds
- **Number of Pieces:** 10
- **Global Trade Identification Number:** 00665626053610

## Images

![John GuestAcetal Copolymer Tube Fitting, Reducing Elbow, 3/8" x 5/16" Tube OD (Pack of 10) - Image 1](https://m.media-amazon.com/images/I/61800ImRWJL.jpg)
![John GuestAcetal Copolymer Tube Fitting, Reducing Elbow, 3/8" x 5/16" Tube OD (Pack of 10) - Image 2](https://m.media-amazon.com/images/I/61cQiBYk8PL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- John Guest Acetal Copolymer Tube Fitting, Reducing Elbow, 3/8" x 5/16" Tube OD (Pack of 10)
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-18*