Universal Concealed Restrictor Catch for UPVC Windows

Price £7.58 (Inc. VAT)
£6.32 (Ex. VAT)
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Left Handed Concealed Window Restrictor

Easy to fit window restrictor arm for limiting upvc double glazing windows, often known as a concealed restrictor as it sits in between the frame and sash and so cannot be seen when the window is closed.

Great for rooms where there is a higher risk of accidentally falling out. Ideal if you have a house cat or other pet that you need to keep in but get some fresh air at the same time.

No need to worry which stud size you need as it comes with a 9.5mm stud plus 2 packers to take the stud height up if needed


  • Spring–loaded releasable arm.
  • Manufactured from stainless steel.
  • Ideal for retro–fitting.
  • Comes with 9.5mm stud plus packers
  • Suitable for either upvc or aluminium window frames