Staywell 4-Way Manual Lock & Tunnel White Classic Cat Flap

Selective entry / Manual 4 Way Locking Cat Flap - WHITE. Designed specifically for cats.
Greater degree of security. Helps to keep out strays and other animals. See through, tough 
and weather resistant flap. Easy to install in most doors, walls or windows. 
Installation depth: up to 54mm (2"). Overall size: 224mm x 224mm (8 7/8" x 8 7/8").
Cut out size: 169mm x 169mm (6 5/8" x 6 5/8"). Glass cut out: 210mm (8 7/8") diameter 
circle. Max shoulder width: 135mm (5 3/8"). Extendable tunnel NOT available for this model.
3 Year Gurantee.