Petsafe Original 2 Way Small Pet Door - White

Barrier locking system
Overall size: 236 mm x 198 mm (91/4" x 73/4")
Cut out size: 185 mm x 158 mm (71/4" x 61/4")
Maximum pet shoulder width: 147mm (53/4")
Maximum pet weight: 7 kg (15 lbs) - cats and small dogs