---
product_id: 138977606
title: "Metric John Guest, Speedfit Straight Adaptor 12mm Tube OD x 1/2\" BSP Thread"
brand: "john guest"
price: "€ 13.57"
currency: EUR
in_stock: true
reviews_count: 4
url: https://www.desertcart.com.cy/products/138977606-metric-john-guest-speedfit-straight-adaptor-12mm-tube-od-x
store_origin: CY
region: Cyprus
---

# 1/2" BSP thread secure connection 12mm tube OD precision fit FDA & NSF certified materials Metric John Guest, Speedfit Straight Adaptor 12mm Tube OD x 1/2" BSP Thread

**Brand:** john guest
**Price:** € 13.57
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with confidence — the smart adaptor for the savvy pro.

## Quick Answers

- **What is this?** Metric John Guest, Speedfit Straight Adaptor 12mm Tube OD x 1/2" BSP Thread by john guest
- **How much does it cost?** € 13.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/138977606-metric-john-guest-speedfit-straight-adaptor-12mm-tube-od-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

- • **Durable & Reliable:** Grey acetal material with nitrile O-rings guarantees long-lasting performance under pressure.
- • **Multi-Use Adaptability:** Perfect for water, air, inert gases, pneumatic, and vacuum systems—your all-in-one connector.
- • **Universal Compatibility:** 1/2" BSP thread designed for versatile plumbing and pneumatic applications.
- • **Precision Engineered Fit:** 12mm tube OD ensures leak-proof, seamless integration with your system.
- • **Certified Safety & Quality:** Made from FDA-approved acetal copolymer with NSF 51 & 62 certifications for peace of mind.

## Overview

The Metric John Guest Speedfit Straight Adaptor features a 12mm tube outer diameter and 1/2" BSP thread, crafted from FDA-approved grey acetal copolymer with nitrile O-rings. Certified to NSF 51 and 62 standards, it offers a durable, leak-proof connection ideal for water, air, inert gases, and pneumatic or vacuum systems, making it a trusted choice for professional-grade plumbing and industrial applications.

## Description

Metric John Guest, Speedfit Straight Adaptor 12mm Tube OD x 1/2" BSP Thread

## Features

- MATERIAL: Grey acetal copolymer with nitrile O-rings
- DIMENSIONS: 12 mm tube OD x 1/2 inch BSP thread
- CERTIFICATIONS: FDA approved materials, NSF 51 and 62 certified
- CONFIGURATION: Straight adaptor design
- APPLICATIONS: Compatible with water, air, inert gases and pneumatic or vacuum systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | John Guest |
| Part Number | PI290808S |
| Package Dimensions | 10.7 x 2.7 x 2.7 cm; 10 g |
| Manufacturer reference | PI290808S |
| Size | 12 mm |
| Colour | Gray |
| Material | Acetal |
| Number of Pieces | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 10 g |

## Product Details

- **Size:** 12 mm
- **Material:** Acetal
- **Brand:** John Guest
- **Colour:** Gray
- **Connector type:** Adapter
- **Thread size:** 0.5 inch
- **Thread type:** BSP
- **Number of pieces:** 1
- **Manufacturer:** John Guest

## Images

![Metric John Guest, Speedfit Straight Adaptor 12mm Tube OD x 1/2" BSP Thread - Image 1](https://m.media-amazon.com/images/I/419zqLdy-vL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Adapter Mk
*by M***R on 5 January 2025*

Nothing to dislike

### ⭐⭐⭐⭐⭐ Spot on fitting
*by D***Y on 1 April 2023*

Had to replace our caravan kitchen tap, which came with a 1/2female tap fitting, we had an old 12mm push fit connector but this part allowed me to connect the 1/2” female to out 12mm pipe

### ⭐⭐⭐⭐⭐ Push fit perfect
*by S***E on 15 November 2020*

Standard fit for 1/2 inch brass. Using push fit joints for campervan conversion.This will be used for shower fitting.

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**Shop now:** [https://www.desertcart.com.cy/products/138977606-metric-john-guest-speedfit-straight-adaptor-12mm-tube-od-x](https://www.desertcart.com.cy/products/138977606-metric-john-guest-speedfit-straight-adaptor-12mm-tube-od-x)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-16*