no the dm6 on off is a smaller design, if youy have a on/off asa get yourself a continous flow plug, http://www.slothball.com/viewprod.php?displayprod=1315
OwnedHi Jack
Yes, the hard clean o-ring on the on-off of the DM5 is the same size as on the DM6. Its a 009 UR90 o-ring.
Ash Chaplen
Technical Support
DYE Europe