KnightsBridge 4 Gravity Shutter - Black  £3.33

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100MM/4 Gravity Shutter - Black

Ideal fuss-free solution when you need to install a hole in an external or internal wall. Suitable for use with 4”/100mm fan via round ducting.

  • For use with 4”/100mm fans
  • Compatible with 4”/100mm round rigid or flexible ducting
  • Prevents backdraught air and rain penetration
  • Prevents objects of vermin entering when the ventilation is not in operation
  • Dimensions (H x W x D): 152 x 152 x 60.5mm
  • Manufactured from polycarbonate
  • 1 Year warranty 
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