Two New Fans for ventilation

I have replaced both my old vents, they were definitely at the end of their life, all the caulking was past its life span as well. I am working on the caulking but the new Fantastic Fans are now in place. 

 

In trying to replace them I put my hand through them, they were in worse shape than I expected. The new ones were able to slide right in and I Butel taped them, screwed them in place, and put Dicor around the seams, and then put Eternabond tape on top of that. 

They are reasonably quiet, and have reversible fans, and work by remote.