Fantronix 100mm Passive Wall Vent Kit with Filter, Brown

• Passive fresh air intake vent – Designed for 100mm (4”) wall openings where continuous fresh air is required without electricity.
• Adjustable airflow control – Built-in iris shutter allows airflow to be regulated, helping minimise cold spots and heat loss.
• Telescopic wall sleeve included – Adjustable sleeve fits wall thicknesses up to 500mm, suitable for most domestic installations.
• Anti-draught washable filter – Supplied with a vapour-permeable, washable filter to help reduce draughts while allowing airflow.
• Wind and noise reducing external baffle – Brown UV-resistant baffle grille designed to reduce wind and external noise, measuring 260 × 225 × 60 mm and fitted with a drip tray to manage condensation.

Designed for 100mm (4") diameter walls requiring passive fresh air input, this unit features an adjustable iris shutter for airflow control and a washable, anti-draught filter with a vapor-permeable membrane. Its telescopic wall sleeve fits walls up to 500mm thick, while the 26cm x 22.5cm x 6cm brown cowl, equipped with a condensation drip tray and UV protection, ensures durability and a sleek appearance.