having to replace the o-ring in the on/off is a bugger if it blows- i know i've just had to do it- howeveri have searched the net and found this lil gem on general maintenance for inline max-flo's and nerve servicing... not sure if its been here before but here it is again.
hope this helps.
http://www2.pbnation.com/showthread.php?p=9790349
hope this helps.
http://www2.pbnation.com/showthread.php?p=9790349
