I confess to using the low-cost ebay version on our full doors.
Ironically, the first set that I received were AFU and wouldn't work because whoever glued the ends together managed to twist the material.
I carefully installed them going around the door, aligning the plastic pins to the corresponding holes, making certain that I was using the correct one on the correct door.
I had to send them back and get a new set, but so far I am completely happy.
They were a bit 'too thick' when first installed & we had to really shut the door like we meant it, but they have 'crushed down' a bit with use and no more leaks, whistling, or vibrating doors.