4 Inch External Wall Vent Cover with Sound Baffle & Air Filter – Non-Flammable Hood for Extractor Fans, Heat Recovery & Ventilation Systems – Draft Proof & Energy Saving [Class A+++] Black

• Designed for 100mm (4") Ducting – Compatible with standard 100mm (4-inch) diameter ventilation ducting, making it suitable for a wide range of systems.
• Ideal for Supply or Extract Ventilation – Perfect for both air intake and extraction in domestic, commercial, or industrial ventilation setups.
• Modern, Weather-Resistant Design – Features a sleek wall-mounted baffle vent with built-in UV protection to resist sun damage and reduce wind and noise intrusion.
• Removable Cover with Drip Tray – Easy-to-clean hood with integrated drip tray helps maintain hygiene and performance over time.
• Flame-Retardant Material – Constructed from non-combustible materials for added safety in all applications.
• Suitable for Advanced Ventilation Systems – A popular choice for use with MVHR, MEV, dMEV, and single-room heat recovery units.

Perfectly suited for use with your Bathroom or Kitchen extractor fan, Hydroponics, or In-Line Extract Fan. 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.