180 mm x 190 mm

According to our information, this is the appropriate SureFlap XXL Tunnel Extension .

I don't know. But you can check the manufacturer's website. It's good! Or contact support......they are very helpful.

Between 294mm - 320mm. The ideal is 300mm. In addition, appropriately sized mounting adapters are required for installation in glass.

Folgender Adapter kann installiert werden SureFlap Cat Door Montageadapter Rosette

In this size we only offer the colour brown.