4in Back Draft Damper ABS Plastic Accessories for Extractor Fan Vent Back Draught Shutter

Features: 1. Made of ABS material material, non toxic and tasteless 2. Light weight, suitable for 4in pipelines 3. Suitable for kitchen, toilet, bathroom, etc. 4. Closed with gravity, integrated forming seal leakproof 5. Designed to provide anti back draught, and fit in between solid plastic ducting, flexible ducting. Specification: Condition: 100percent Brand new Item Type: Back Draft Damper Material: ABS Plastic Caliber: Approx. 95mm 3.7in Width: Approx. 80mm 3.1in Height: Approx. 118mm 4.6in Package List: 1 x Back Draft Damper .