Is this suitable for a small dog?
Yes for dogs up to a 14” shoulder height.
 
Are extension tunnels available for this model?
No but wall installation instructions are supplied with the cat flap.
 
The flap is sticking open slightly when the cat comes through?

    1. If this a new installation is there light is showing more on one side of the swinging flap than the other. If yes, this would point to a fitting issue,.
    2. If no and an older install we would advise checking if the frame and flap magnets are present.
 
Can this be installed in glass?
No, you need the Cat Mate Large Glass Fitting Cat Flap Part No. 357W
 
Can I get a replacement flap?
Yes the Part Number is 913, available on our website.
 
I’ve found the locks are missing or broken. Is it possible to replace?
Replacement locks are available to our order on our website, Part Ref: M221SP2