--- product_id: 454802992 title: "Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems" brand: "kair" price: "€ 105.06" currency: EUR in_stock: true category: "Kair" url: https://www.desertcart.hr/products/454802992-kair-ducting-adaptor-220mm-x-90mm-to-150mm-6-inch store_origin: HR region: Croatia --- # 150mm round spigot connection 220mm x 90mm rectangular fit Low static pressure drop Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems **Brand:** kair **Price:** € 105.06 **Availability:** βœ… In Stock ## Summary > πŸ”„ Connect with Confidence β€” Upgrade Your Ventilation Game! ## Quick Answers - **What is this?** Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems by kair - **How much does it cost?** € 105.06 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/454802992-kair-ducting-adaptor-220mm-x-90mm-to-150mm-6-inch) ## 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 - β€’ **Space-Smart Design:** Compact adaptor ideal for tight installations where every inch counts. - β€’ **Pro-Grade Durability:** Crafted from high-quality UK-made polystyrene/polypropylene for lasting performance. - β€’ **Plug & Play Installation:** Push-fit design means no fussβ€”secure with silicone or tape for a permanent seal. - β€’ **Seamless Size Conversion:** Effortlessly switch between rectangular and round duct systems without compromising airflow. - β€’ **Certified Airflow Efficiency:** Independently tested to ensure minimal pressure drop and compliance with Part F Building Regulations. ## Overview The Kair Ducting Adaptor 220mm x 90mm to 150mm is a precision-engineered connector that converts rectangular ducting to round, optimizing airflow in compact spaces. Made in the UK from durable plastics, it supports a wide range of HVAC applications including extractor fans and whole-house ventilation. Its push-fit design ensures quick installation, while independent testing guarantees efficient airflow with minimal pressure loss, fully compliant with building regulations. ## Description Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector RECTANGULAR 220mm x 90mm The flat end is a female spigot and fits over 220mm x 90mm Rectangular Duct Pipe Part: DUCVKC5704 or flexible hose Part: DUCR3M/220/90. ROUND 150mm /6 inch Circular end is a 150mm round male spigot that that fits inside 150mm round duct pipe Part: DUCVKC670 or flexible hose Part: DUCP0092/152/35. 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 tested by BSRIA or BRE.Suitable to use in compliance with Part F Building Regulations.Static pressure drop in pascals (Pa): 60 l/s = 1.7 Pa 120 l/s = 5.4 Pa 180 l/s = 10.8 PaPerfectly 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: 220mm x 90 Fits over rectangular duct pipe. - ROUND END: 150mm (6 inch) Fits inside round pipe of flexible hose. - Allows you to convert between round and rectangular ducting systems. - Kair short rectangular to round connector is perfect for installs where space is limited. - Compatible with the extensive range of Kair plastic ducting fittings, outlets, and grilles ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07G2BLP5X | | ASIN | B07G2BLP5X | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #68,659 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in Electrical Conduit Fittings | | Customer Reviews | 4.6 4.6 out of 5 stars (547) | | Customer reviews | 4.6 4.6 out of 5 stars (547) | | Date First Available | 27 March 2021 | | Date First Available | 27 March 2021 | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 300 g | | Manufacturer | Kair | | Manufacturer | Kair | | Manufacturer reference | DUCVKC5713 | | Manufacturer reference | DUCVKC5713 | | Package Dimensions | 26.8 x 20.3 x 19.8 cm; 300 g | | Package Dimensions | 26.8 x 20.3 x 19.8 cm; 300 g | | Part number | DUCVKC5713 | | Size | 220mm x 90mm to 150mm | ## Images ![Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems - Image 1](https://m.media-amazon.com/images/I/41oZGLSph6L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems - Kair Rectangular Flat Ducting 220mm x 90mm - 1 Metre Length Flat Channel Pipe - Kair 90 Degree Vertical Elbow Bend 220mm x 90mm - 9 x 4 inch Rectangular Plastic Ducting Adaptor --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/454802992-kair-ducting-adaptor-220mm-x-90mm-to-150mm-6-inch](https://www.desertcart.hr/products/454802992-kair-ducting-adaptor-220mm-x-90mm-to-150mm-6-inch) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-08*