For sale: cat and dog door with tunnel. White color. Installs in a door or wall. The transparent flap works silently, rubberized. Magnetic fixation at the bottom. Dimensions: external size 24x28 cm, mortise size 19.7x21.7 cm, installation thickness 25 mm, hatch size 18x20 cm. There are additional tunnels to lengthen the passage, I think three pieces, each adds 27 mm. The cost of the hatch is 2500 dinars, one additional tunnel is 500 dinars
