--- 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: "€ 25.57" currency: EUR in_stock: true reviews_count: 5 category: "Kair" url: https://www.desertcart.hr/products/410140949-90-degree-elbow-bend-100mm-4-inch-round-plastic-ducting store_origin: HR region: Croatia --- # 100mm (4 inch) standard fit 90° precise airflow redirection Rigid plastic for durability 90 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose **Brand:** kair **Price:** € 25.57 **Availability:** ✅ In Stock ## Summary > ↪️ Elevate your airflow game with precision and ease! ## 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?** € 25.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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:** High-quality polystyrene ensures long-lasting performance - • **Quick & Easy Installation:** Tool-free push-fit connection saves time on every project - • **Seamless 90° Airflow Control:** Optimized bend for superior ventilation efficiency - • **Universal 100mm Compatibility:** Push-fit design fits standard round pipes & flexible hoses - • **Versatile Ventilation Solution:** Perfect for kitchens, bathrooms, hydroponics & HVAC systems ## Overview The Kair 90 Degree Elbow Bend is a 100mm (4 inch) white plastic ducting joint designed for seamless 90° directional airflow in ventilation systems. Made from durable polystyrene, it offers superior rigidity and performance compared to flexible alternatives. Its push-fit male spigot fits standard 100mm round pipes and 102mm flexible hoses, ensuring quick installation and compatibility across various applications including tumble dryers, extractor fans, hydroponics, and HVAC setups. Independently tested for airflow efficiency and compliant with Part F Building Regulations, this elbow bend is a reliable, lightweight, and versatile solution for both domestic and commercial ducting needs. ## 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: Pros: Good quality plastic with a clean white finish -easy installation - arrives quick Fast delivery every time I’ve ordered — reliable for project timelines Fits standard 150mm ducting perfectly Cons: None so far — has always arrived in good condition and does the job I’ll continue buying this for future projects. It’s dependable, easy to work with, and arrives quickly — all important when managing client work. Review: PRODOTTO COME DA DESCRIZIONE. BUONA QUALITA' ## 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 | | ASIN | B004X4S574 | | Best Sellers Rank | #41,072 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #34 in Heating & Cooling Ducting Products | | Brand Name | Kair | | Color | White | | Connector Type | Elbow | | Customer Reviews | 4.6 4.6 out of 5 stars (1,134) | | Customer reviews | 4.6 4.6 out of 5 stars (1,134) | | Date First Available | 12 January 2016 | | Is Discontinued By Manufacturer | No | | Item Dimensions | 13.6 x 13.6 x 0.1 centimeters | | Item Weight | 0.15 Pounds | | Manufacturer | Kair | | Manufacturer | Kair | | Manufacturer reference | DUCVKC300 | | Material Type | Polystyrene | | Product Dimensions | 13.6 x 13.6 x 0.1 cm; 68.04 g | | 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) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***E on 25 June 2025* Pros: Good quality plastic with a clean white finish -easy installation - arrives quick Fast delivery every time I’ve ordered — reliable for project timelines Fits standard 150mm ducting perfectly Cons: None so far — has always arrived in good condition and does the job I’ll continue buying this for future projects. It’s dependable, easy to work with, and arrives quickly — all important when managing client work. ### ⭐⭐⭐⭐⭐ Review *by S***O on 3 October 2019* PRODOTTO COME DA DESCRIZIONE. BUONA QUALITA' ### ⭐⭐⭐⭐⭐ Review *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"). ## 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 --- ## 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.hr/products/410140949-90-degree-elbow-bend-100mm-4-inch-round-plastic-ducting](https://www.desertcart.hr/products/410140949-90-degree-elbow-bend-100mm-4-inch-round-plastic-ducting) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-24*