Just was about to call it a night when I checked bath room forum and saw your post.

Just a heads up, look closely at that Gerber drain design (you might want to go to the Gerber site and find a blow up of it). I newly have that drain and as water cannot run up hill, the water sits at and around the drain requiring you to manually scoop it into the drain holes (hard to do) or wipe it down with paper towel (wasteful). I did not order nor was I asked about this Gerber drain style (was not home when put in) and to replace it with their pop up drain, you need Gerber's special drain removal tool (which most plumbers do not carry on their truck I have found out). This also presents difficulty with potential tub rings if you have hard water. I am pretty fastidious about wiping the accumulated water next to that Gerber drain out daily unfortunately!

Hope this helps.