The Astro FR Ceiling Air Valve is a fire-rated ventilation terminal designed for use in fire-rated ceilings. Available in both supply and extract versions, these valves help maintain the fire integrity of ceilings while allowing air movement for HVAC systems. In the event of fire, the built-in intumescent material expands to seal the opening and prevent the passage of fire and smoke. - Provides up to 60 minutes fire resistance- Designed for both extract and supply air systems- Built-in intumescent lining activates in high heat- Easy to install in plasterboard or suspended ceilings- CE Marked and tested to EN 1366-3- Durable metal construction with an aesthetic finish- Ideal for residential, commercial, and public building HVAC systems A fire-safe ventilation solution for M&E engineers, HVAC installers, and building compliance professionals seeking both performance and protection.