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By 6miles/dayrunner! (Mason, OH) on Sep 28, 2013
Comments: Pro-Form makes a good treadmill. After 8 years I just replaced my old Pro-Form for the new 600c. One of the perks of the new model that I was very much looking forward to was the built-in fan. It turns out it sounds a lot better than it actually works. The vents are in a fixed position and do not even come close to cooling me down. What does work nicely is the smooth belt. It is much quieter than my last treadmill and very cushioning. The 12 incline is also a huge plus. I run an average of 5-6 miles a day 5-6 days a week and Pro-form is definitely saving my knees!