Life reef nano overflow

[Skimmerking]

Hey all I'm going to be getting a rsm250 and I'm adding a sump to it so instead of drilling it which I don't know I'm on the hunt for a overflow single tube nano

[Corbin]

maybe this will help?
http://www.lifereef.com/siphon.html

[Skimmerking]

thanks man was just there excellent