An easy to fit replacement cylinder for the Oasis Automatic Window Opener. The cylinder contains a mineral wax which expands with heat. When fitted within the opener the cylinder pushes a piston causing the window to open.

Replacement cylinder for Oasis G/H Automatic Opener from TwoWests & Elliott

An easy to fit replacement cylinder for the Oasis Automatic Window Opener.

The cylinder contains a mineral wax which expands with heat. When fitted within the opener the cylinder pushes a piston causing the window to open.

As the temperature falls the wax contracts and the window closes.