External dimensions: 29.4x30.9x5cm
Door dimensions: 17x17.5cm

Porter with 4 locking modes (in, out, in/out and locked) to control your pet's entry or exit. Sturdy construction, UV resistant, polycarbonate ensures a virtually unbreakable door. Fits doors up to 50mm thick. The large size of the flap (170 x 175 mm) is designed to fit all breeds of cats up to 6 kg, overall size 28.5 x 29.5 cm. Can be upgraded to magnetic access