The domus round rectangular short adaptor delivers essential connectivity for domestic ventilation systems, engineered to transition seamlessly between 100mm round ducts and 110 x 54mm flat channels. The short adaptor design improves airflow efficiency while minimising resistance throughout the duct transition. Its durable white construction provides long-term performance in residential and commercial applications. Compatible with the full domus range including extractor fans, wall outlets, grilles, rigid ducting, and flexible hose, this adaptor delivers the flexibility required for effective air management solutions. Features & benefits: suitable for new ventilation installations and existing system upgrades in residential and commercial environments. Compatible with timer and pull switch extractor fans, wall outlets, grilles, rigid ducting, and flexible hose. Improves airflow efficiency while reducing resistance through duct transitions. Durable white construction for long-lasting performance and reliability. Part of the comprehensive domus range of domestic ventilation products. Type: short adaptor. Designed for: connecting 100mm round ducts to 110 x 54mm flat channels. Colour: white.