---
product_id: 488553935
title: "Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems"
brand: "kair"
price: "210 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/488553935-kair-elbow-bend-adaptor-150mm-x-70mm-to-125mm-5
store_origin: PL
region: Poland
---

# 125mm round duct compatibility 150mm x 70mm rectangular fit 90° elbow bend for tight spaces Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems

**Brand:** kair
**Price:** 210 zł
**Availability:** ✅ In Stock

## Summary

> ↪️ Upgrade your airflow game — ducting made sleek and smart!

## Quick Answers

- **What is this?** Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems by kair
- **How much does it cost?** 210 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/488553935-kair-elbow-bend-adaptor-150mm-x-70mm-to-125mm-5)

## Best For

- kair enthusiasts

## Why This Product

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

## Key Features

- • **Regulation Ready:** Compliant with Part F Building Regulations and independently tested for airflow efficiency.
- • **Space-Savvy Design:** 90-degree bend lets you navigate tight ceiling voids and restricted areas with ease.
- • **Durable UK-Made Build:** Crafted from high-quality polypropylene for lasting performance and reliability.
- • **Plug & Play Installation:** Push-fit design means no fuss, no tools—just quick, secure duct connections.
- • **Seamless Size Conversion:** Effortlessly switch between 150x70mm rectangular and 125mm round ducting systems.

## Overview

The Kair Elbow Bend Adaptor converts 150mm x 70mm rectangular ducting to 125mm round ducting with a 90-degree bend, enabling efficient airflow routing in tight spaces. Made in the UK from durable polypropylene, it features a push-fit design for easy installation and meets Part F Building Regulations, ensuring reliable performance for HVAC, ventilation, and extractor fan systems.

## Description

Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter  RECTANGULAR 150mm x 70mm  The flat end is a female spigot and fits over 150mm x 70mm Rectangular Duct Pipe Part: DUCVKC604.  ROUND 125mm / 5 inch  Circular end is a 125mm round male spigot that that fits inside 125mm round duct pipe Part: DUCVKC267.  Allows you to convert between round and rectangular ducting systems.Made in the UK using high-quality Polystyrene/Polypropylene plastic.Max / Min Temperature: +60c / -15c.Easy to install and durable, just push-fit duct and fittings together. For permanent fixings, seal joints with silicone sealant or tape.Airflow performance independently d by BSRIA or BRE.Suitable to use in compliance with Part F Building Regulations.Pressure Drop in Pascals: 15 l/s = 0.39 Pa - 30 l/s = 1.50 Pa - 60 l/s = 5.75 Pa.Perfectly suited for ducting your Bathroom or Kitchen extractor fan, hydroponics, in-line extract Fans, tumble dryer, or cooker hood.  This item can be used as a part of a long ductwork run for a variety of purposes including whole house ventilation, passive stack vent, positive input ventilation, air conditioning, HVAC, and Heat Recovery systems.  Kair plastic rigid ducting is perfect for DIY and Trade use and provides superior airflow performance and durability versus flexible duct.

## Features

- RECTANGULAR END: 150mm x 70mm Fits over rectangular duct pipe.
- ROUND END: 125mm (5 inch) Fits inside round duct pipe.
- Allows you to convert between 125mm round and 150mm x 70mm rectangular ducting systems.
- 90 Degree elbow bend adaptors allows you to run duct inside ceiling voids or other areas where space is restricted.
- Compatible with Kair plastic ducting range of fittings, outlets, and grilles.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Kair |
| Part number | DUCVKC606 |
| Item Weight | 90 g |
| Product Dimensions | 17.91 x 15.39 x 10.39 cm; 90 g |
| Manufacturer reference | DUCVKC606 |
| Size | 150mm x 70mm to 125mm |
| Color | White |
| Material | Polypropylene |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems - Image 1](https://m.media-amazon.com/images/I/413T2p24mEL.jpg)
![Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems - Image 2](https://m.media-amazon.com/images/I/61Ea8bjaV6L.jpg)
![Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems - Image 3](https://m.media-amazon.com/images/I/61W6b-D7E9L.jpg)
![Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems - Image 4](https://m.media-amazon.com/images/I/51u7K8ZIxnL.jpg)
![Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems - Image 5](https://m.media-amazon.com/images/I/51Z3-lQI81L.jpg)

## Available Options

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

## Frequently Bought Together

- Kair Elbow Bend Adaptor 150mm x 70mm to 125mm - 5 inch Rectangular to Round 90 Degree Bend Adapter for Converting to Different Size Plastic Ducting Systems
- Kair Rectangular Flat Ducting 150mm x 70mm - 1 Metre Length Flat Channel Pipe
- Kair Rectangular Straight Connector 150mm x 70mm Flat Pipe Joint

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**Shop now:** [https://www.desertcart.pl/products/488553935-kair-elbow-bend-adaptor-150mm-x-70mm-to-125mm-5](https://www.desertcart.pl/products/488553935-kair-elbow-bend-adaptor-150mm-x-70mm-to-125mm-5)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-27*