Posted by Chris Case [162.158.58.144] on Saturday, February 18, 2017 at 09:27:11 :
In Reply to: 251 head thickness posted by JohnS [172.68.65.9] on Saturday, February 18, 2017 at 08:15:40 :
I suspect that the highest number would be the highest compression, and better flow too, like the 230.