Mueller RP03044 DuoSeal
3031181800111 - RLS 1-1/8IN 90 DEGREE ELBOW PRESS FITTING Pack of 5 (O3)
You will find that this all-purpose power scrubber drill brush set makes cleaning grout surprisingly easy.
3031181800111 - RLS 1-1/8IN 90 DEGREE ELBOW PRESS FITTING Pack of 10 (O3)
A nice touch with Cortec is the clear pricing with no hidden fees.