Install was fairly straight forward, however the brackets to hold it in with the security pack were not required as the bracket came with the door. Flap has magnetic strip so it stays closed and works well, however very quickly started hitting the lower frame and making lots of noise. Instructions do not cover how to remove or adjust the flap height, I had to raise it about 5mm, which required trimming a few mm off the top to get it to fit. All clears now and back to quiet.
Purchase was a d...