National Ventilation 100mm 4” Axial Flow Fan with Timer

The Monsoon Silence range is the latest innovative domestic ventilation solution providing high extraction rates with low energy use and exceptionally quite running levels . The casing and impeller are made of durable high quality UV-resistant plastic, the stylish design makes the fan match well with any modern interior. · · · Low noise as low as 25 dB(A) suitable for Zone 1 · · Specific fan power as low as 0.27 W/L/S · · IP45 (as long as RCD is present) · · Fan can be used with longer duct runs due to its mix-flow impeller · · Long life ball bearing motors, service life 40,000 hours · · Complete with backdraught shutters to prevent back flow and heat loss · · Rubber anti-vibration mounts are designed for motor vibration absorption and noise insulation · · Specially designed air flow vanes reduce air turbulence, boost air pressure and reduce noise levels · · Complies with both Part F & L · · Standard thermal overload protection on motor