tribalturtle2
Member
Found this site that includes drill bits in a kit for 700gph overflow box. Found it thru youtube video.
http://www.glass-holes.com/700-gph-Overflow-Box-Complete-Kit-gh700kit.htm
http://www.youtube.com/watch?v=jVcAMP87DRo
http://www.glass-holes.com/700-gph-Overflow-Box-Complete-Kit-gh700kit.htm
http://www.youtube.com/watch?v=jVcAMP87DRo