Residex P Silverfish Killer Powder 400g

From £9.60

  • Highly Effective Against Silverfish
  • Perfect For Shaking Into Cracks and Crevices
  • Useful Alternative For Areas Where Liquids Aren’t Practical
  • Instantly Kills Silverfish By Dehydrating Them Once Digested

Why Choose Us?

  • Done Next Working Day Delivery
  • Done Expert Help & Advice
  • Done Secure Payments


  • Excellent against ants, wasps, woodlice, fleas and many more crawling insects.
  • Broad Spectrum Residual Insecticide
  • Use against ants where Spraying is undesirable
  • Contains 0.5% permethrin
  • 400g Puffer

It should only be used in dry conditions and is ideal for dusting into cracks and crevices to control ants, bed bugs, carpet beetles and many other crawling insects. Best when applied using an insecticide Powder Duster.

How to use

  • The 400g container is a puffer tub, allowing some degree of control when applying.
  • Can also be used in a powder duster for more precise application.
  • For ants and other crawling insects dust along the edges of the room and into cracks and crevices. Nest entrances should be dusted liberally.
  • More than one application may be required, but not within 14 days as the dust has residual properties.
  • Can be used alongside other products such as smoke bombs and sprays.
  • Safe to use around children and pets.
  • Always read the manufacturer instructions before use.

Safety data

Click here for Safety Data Sheet





UK Mainland

DPD Next Working Day

£6.00 (FREE on orders over £75.00)

Scottish Highlands

DPD 2 Day Service


Scottish Islands, Isle of Man, Scilly and Channel

DPD 2 Day Service


Isle of Wight

DPD 2 Day Service


Northern Ireland and Eire

DPD 2 Day Service


Please Note:

Orders placed Monday to Thursday before 3.45pm, or Friday before 1.45pm will be despatched that day.

Orders placed on a Friday after 2pm or over the weekend will be dispatched the following Monday, unless that Monday is a bank holiday.

We do not offer Saturday delivery.  Collection is possible by arrangement.

We also deliver internationally. Please contact us for a delivery quotation price before ordering. View our full delivery policy here


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