Wall Drain Pro ® Universal Wall Drain Wall Drain Pro® is a simpler, more effective wall drain by solving critical SRW water drainage a more aesthetically pleasing finish. • Easy universal installation reduces labour costs • Designed for any 8” block • Easily modify height for any block or timber • Integral component of wall construction • Male end snaps into 4” T • Drain colour - black 1 3/8” Before Wall Drain Pro Connecting Wall Drain Pro To T-Drain 14” 1 3/8” 7 3/4”