---
product_id: 410140949
title: "90 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose"
brand: "kair"
price: "₨11743"
currency: LKR
in_stock: true
reviews_count: 5
category: "Kair"
url: https://www.desertcart.lk/products/410140949-90-degree-elbow-bend-100mm-4-inch-round-plastic-ducting
store_origin: LK
region: Sri Lanka
---

# 100mm / 4 inch standard fit 90° precise airflow redirection rigid polystyrene durability 90 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose

**Brand:** kair
**Price:** ₨11743
**Availability:** ✅ In Stock

## Summary

> ↪️ Elevate your airflow game with precision and durability!

## Quick Answers

- **What is this?** 90 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose by kair
- **How much does it cost?** ₨11743 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/410140949-90-degree-elbow-bend-100mm-4-inch-round-plastic-ducting)

## 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

- • **Durable Lightweight Build:** Crafted from high-quality polystyrene for long-lasting, corrosion-resistant performance.
- • **Seamless 90° Airflow Control:** Engineered for optimal airflow with minimal pressure loss, outperforming flexible duct bends.
- • **Universal 100mm Compatibility:** Push-fits effortlessly into any 100mm round pipe or 102mm flexible hose for versatile installation.
- • **Multi-Use Ventilation Solution:** Perfect for kitchens, bathrooms, hydroponics, and HVAC systems—upgrade your airflow game.
- • **Effortless Push-Fit Installation:** No tools required—snap it in place and secure with clips or tape for a snug, leak-free seal.

## Overview

The Kair 90 Degree Elbow Bend is a 100mm (4 inch) white polystyrene ducting joint designed for superior airflow efficiency and durability. Its rigid construction ensures minimal pressure loss compared to flexible alternatives, while the push-fit male spigot guarantees easy installation with standard 100mm round pipes or 102mm flexible hoses. Ideal for residential and commercial ventilation applications including extractor fans, tumble dryers, and HVAC systems, this elbow bend meets Part F Building Regulations and is independently tested for airflow performance.

## Description

Kair 100mm / 4inch Plastic Ducting 90 Degree Elbow Bend Joint 90 degree bends can be used to run your ductwork around obstacles along walls and into ceilings and offers superior performance and durability over flexible alternatives. White plastic 90 degree elbow bend - Outer diameter 99mm - Male spigot will fit inside 100mm Round Pipe Part: DUCVKC250 or 102mm Flexible Hose Part: DUCP0092/102/35. Recommended usage We always recommend to use as few bends as possible in your duct run to reduce any loss of pressure, this also applies when connecting smaller to larger ducting. When supplying air through a powerful fan, ensure that the ducting is not too narrow as this could lead to an increase of air noise, damage to the fan and potential vibration. Our system 100 duct is commonly used in bathrooms or to branch out from larger systems to smaller rooms. Total space requirement: 136x136x103mm.Static Pressure Drop in Pascals: 15 l/s = 5.60 Pa - 30 l/s = 21.10 Pa - 60 l/s = 33.10 Pa.Easy to install and durable, just push-fit duct and fittings together.Max / Min Temperature: +60c / -15c.Will join any female part of the 100mm ducting range.Airflow performance independently tested by BSRIA or BRE.Suitable to use in compliance with Part F Building Regulations.Built to last out of high-quality white Polystyrene/Polypropylene plastic Material.Kair plastic ducting is lightweight, durable and suitable for commercial and domestic use. It is perfectly suited for ducting your tumble dryer, bathroom or kitchen extractor fan, hydroponics, in-line extract fans, or cooker hood. It 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, air conditioning, HVAC, and heat recovery systems.

Review: snug fitting bend - quality elbow bend
Review: Parfaitement adapté aux tuyaux standards d'aération. - Parfaitement adapté aux tuyaux standards d'aération, j'en ai utilisé deux, l'un visible ici entre la hotte de la table de cuisson et la cheminée du plafond, il s’emboîte parfaitement dans les tubes de 100mm et je les ai collés avec une colle standard de petit bricolage ("répare tout").

## Features

- 100mm / 4 inch plastic ducting 90 degree elbow bend with male spigot.
- Our 90-degree bend will push fit inside any female part such as 100mm round pipe or 102mm flexible hose when used with a hose clip or tape.
- The rigid 90-degree bend offers superior airflow performance compared to flexible ducting.
- When using long duct runs, ensure that your fan has the appropriate power to exert the required force.
- Perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood or other ducting and ventilation applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004X4S574 |
| Best Sellers Rank | #29,785 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Heating & Cooling Ducting Products |
| Brand | Kair |
| Brand Name | Kair |
| Color | White |
| Colour | White |
| Connector Type | Elbow |
| Connector type | Elbow |
| Customer Reviews | 4.6 out of 5 stars 1,159 Reviews |
| Item Dimensions | 13.6 x 13.6 x 0.1 centimeters |
| Item Weight | 68 g |
| Item dimensions L x W x H | 13.6 x 13.6 x 0.1 centimeters |
| Manufacturer | Kair |
| Manufacturer Part Number | DUCVKC300 |
| Material | Polystyrene |
| Material Type | Polystyrene |
| Size | 100mm (90 Degree) |
| Thread Size | 100mm |
| Thread Type | Spigot |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Kair
- **Colour:** White
- **Item dimensions L x W x H:** 13.6 x 13.6 x 0.1 centimeters
- **Material:** Polystyrene
- **Size:** 100mm (90 Degree)

## Images

![90 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose - Image 1](https://m.media-amazon.com/images/I/41D5U39X-RL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ snug fitting bend
*by M***N on 9 June 2026*

quality elbow bend

### ⭐⭐⭐⭐⭐ Parfaitement adapté aux tuyaux standards d'aération.
*by Y***N on 15 November 2018*

Parfaitement adapté aux tuyaux standards d'aération, j'en ai utilisé deux, l'un visible ici entre la hotte de la table de cuisson et la cheminée du plafond, il s’emboîte parfaitement dans les tubes de 100mm et je les ai collés avec une colle standard de petit bricolage ("répare tout").

### ⭐⭐⭐⭐⭐ Producto de buena calidad
*by L***L on 23 March 2019*

Producto de buena calidad, bien terminado se ajusta a las medidas del tubo de salida de la campana de cocina. Lo recomiendo

## Frequently Bought Together

- Kair 90 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose
- Kair Plastic Ducting Pipe 100mm - 4 inch / 1 Metre Long Length - Rigid Straight Duct Channel
- Kair Round Connector 100mm - 4 inch to Connect Duct Pipe or Flexible Ducting Hose

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**Shop now:** [https://www.desertcart.lk/products/410140949-90-degree-elbow-bend-100mm-4-inch-round-plastic-ducting](https://www.desertcart.lk/products/410140949-90-degree-elbow-bend-100mm-4-inch-round-plastic-ducting)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-08-22*