Ruck ISOX 400E with a 400mm Inlet/ Outlet and an Airflow of 2556m3/hr. Ruck 400mm Acoustic Insulated Inline Fans Ruck Fans are high quality, extremely quiet German made fans. The fan range is insulated to minimise noise pollution. The high quality metal casing features a removable top plate for easy accessibility to fan section and mounting fixtures on the base to enable the unit to be fixed to a wall or ceiling. Sound insulated boxed fan 100 % Speed controllable Easy removable fan section Forward curved motorized impeller. This is a partially insulated fan and although very quiet, for an even quieter version, select the Premium version.

Sound Pressure Levels. dB(A) @ 3M(The higher the dB(A) the noisier)
Casing break out sound level: 35 dB(A)
Sound level on inlet: 40dB(A)
Please note: In time of low RUCK badged stock we may substitute for the SAME Ruck manufactured fan but with an alternative distributors badge.

Air flow versus Back Pressure

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