--- product_id: 641410259 title: "Round Ducting Reducer 150mm to 100mm - 6 to 4 inch Duct Pipe Reduction Coupler for Extractor Fans, Cooker Hood Tumble Dryer Ventilation" brand: "professorprints" price: "116.81 DT" currency: TND in_stock: true reviews_count: 8 category: "Professor Prints" url: https://www.desertcart.tn/products/641410259-round-ducting-reducer-150mm-to-100mm-6-to-4-inch store_origin: TN region: Tunisia --- # 150mm to 100mm precision fit PETG plastic with 220°C melting point Lightweight & easy install Round Ducting Reducer 150mm to 100mm - 6 to 4 inch Duct Pipe Reduction Coupler for Extractor Fans, Cooker Hood Tumble Dryer Ventilation **Brand:** professorprints **Price:** 116.81 DT **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your airflow game with precision and durability! ## Quick Answers - **What is this?** Round Ducting Reducer 150mm to 100mm - 6 to 4 inch Duct Pipe Reduction Coupler for Extractor Fans, Cooker Hood Tumble Dryer Ventilation by professorprints - **How much does it cost?** 116.81 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/641410259-round-ducting-reducer-150mm-to-100mm-6-to-4-inch) ## Best For - professorprints enthusiasts ## Why This Product - Trusted professorprints brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Fits both rigid and flexible ducting, perfect for extractor fans, cooker hoods, and more. - • **Seamless Size Transition:** Effortlessly connects 6-inch to 4-inch ducts for versatile ventilation setups. - • **Durable PETG Construction:** Withstands heat up to 220°C, ensuring long-lasting performance without warping. - • **Corrosion-Resistant & Hygienic:** Maintains aesthetic and technical integrity in all operating conditions, keeping your airflow clean. - • **Quick & Hassle-Free Installation:** Lightweight design and smart spigot fittings make setup a breeze for pros and DIYers alike. ## Overview The Round Ducting Reducer 150mm to 100mm by ProfessorPrints is a robust, lightweight PETG plastic coupler designed to seamlessly connect 6-inch and 4-inch duct pipes. Engineered for high heat resistance (up to 220°C) and universal compatibility with rigid and flexible ducts, it ensures efficient ventilation for extractor fans, cooker hoods, tumble dryers, and HVAC systems. Easy to install and corrosion-resistant, this UK-made reducer delivers reliable, hygienic airflow solutions for both professional and DIY applications. ## Description Product Description 6 to 4 Ducting Reducer Technical Drawing of the 6 to 4 Ducting Reducer D = 6 inches D1 = 4 inches H = 6 Inches Technical Specifications of the Type of Plastic Used PETG Specifications; Heat Deflection = 68 Degrees Celsius. Maximum Melting Temperature = 220 Degrees Celsius. Modulus of Elasticity = 2.1 GPa 150mm to 100mm (6 to 4inch) Ducting Reducer This versatile product is compatible with a wide range of brands and applications. Thanks to its high melting temperature, it supports diverse uses and can handle various products. ProfessorPrints Professional Printing Solutions Ducting Reducers are part of the ProfessorPrints ducting and ventilation range. ProfessorPrints products are made in the UK and are compatible with an extensive range of fittings, outlets, and grilles in multiple sizes, offering a complete solution for all your ventilation needs. This item can be used as part of a long ductwork run for various purposes, including whole house ventilation, passive stack vents, positive input ventilation, air conditioning, HVAC, and heat recovery systems. Plastic rigid ducting is perfect for both DIY and trade use, providing superior airflow performance and durability compared to flexible ducting. Technical Specifications Review: A one time buy, for a good reason - Does the job well, not too expensive, seems sturdy enough to last! Review: extract fan reducer to fit duct - fitted perfect ## Features - EASY TO INSTALL: Adaptor to convert between 150mm and 100mm ducting - 6 to 4 inch.This is a very practical robust solid duct reducer to be used when connecting two different plastic pipes, solid or flexible ducting together. Lightweight, quick, and easy to install. - On one side there is a 150mm (6 inch) female spigot. Will fit over male fittings (bends etc). Requires additional 150mm male connector to connect round 150mm pipe. - On the other side there is a 100mm (4 inch) male spigot. Will fit into 100mm straight ducting or 102mm flexible ducting. - USES: Perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan, Hydroponics, In-Line Fans, or Cooker Hoods and other ventilation applications. Does not corrode and get aesthetic appearance throughout the entire operating life. Keeps technical and hygienic properties in changing operating conditions. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | ProfessorPrints | | Product Dimensions | 15.24 x 15.24 x 15.24 cm; 70 g | | Item model number | 1-000-111 | | Colour | White | | Included Components | 6 Inch To 4 Inch Reducer | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 70 g | ## Images ![Round Ducting Reducer 150mm to 100mm - 6 to 4 inch Duct Pipe Reduction Coupler for Extractor Fans, Cooker Hood Tumble Dryer Ventilation - Image 1](https://m.media-amazon.com/images/I/311q8MLIX0L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ A one time buy, for a good reason *by L***L on 8 July 2026* Does the job well, not too expensive, seems sturdy enough to last! ### ⭐⭐⭐⭐⭐ extract fan reducer to fit duct *by M***Y on 11 January 2026* fitted perfect ### ⭐⭐⭐⭐⭐ Works well *by V***N on 1 October 2025* Does the job ## Frequently Bought Together - Round Ducting Reducer 150mm to 100mm - 6 to 4 inch Duct Pipe Reduction Coupler for Extractor Fans, Cooker Hood Tumble Dryer Ventilation - 100mm Pack of 2 Adjustable from 90-110mm Stainless Steel Pipe Clamp Secure Hose Clip Inline Duct Extractor Fan Connector Cooker Hood - Kair PVC Flexible Hose 102mm External Diameter / 100mm - 4 inch Universal Tumble Dryer, Cooker Hood, Extractor Fan, Air Conditioner Hose - 3 Metre Length --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/641410259-round-ducting-reducer-150mm-to-100mm-6-to-4-inch](https://www.desertcart.tn/products/641410259-round-ducting-reducer-150mm-to-100mm-6-to-4-inch) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-06*