upgraded version no mess bird cage feeders automatic parrot seed tube for parakeet canary cockatiel finch, free install, no fragile mrli pet <p>the separation of grain or seeds from the husks and prevent bird eating bird feces ;</p> <p>collect the husks at the small box of the bottom to make the room clean;</p> <p>the feeder can hold1.2lb bird food, could stock seeds for around half a month or one month which depends on different birds, can be provided to budgie for 1 month.</p> <p><br></p> <p></p> <p><b>question:</b></p> <p></p> <p>how to judge whether this feeder is suitable for your birdcage.</p> <p></p> <p><b>answer:</b></p> <p></p> <p>the width of the birdcage opening does not exceed 12 cm</p> <p></p> <p>the height of the cage opening shall not exceed 14 cm</p> <p></p> <p>as long as the size of the cage opening does not exceed the above-mentioned width(12cm)and height(cm), the feeder can be directly buckled to cover the entire birdcage mouth. aftermarket research, we found that most birdcages can be installed with this feeder.</p>