Originally Posted by detroitiron
After using a forced air flow full face mask over normal cartige masks, the difference is unbeatable. You get the cool fresh air across your face that cuts down on sweat in your eyes, prevents fog on your glasses and generally keeps you fume free if you have a good seal.
What full face mask do you use? The ones I have looked at wont fit over eyeglasses and require that you get special lenses made for an optional eyepiece that is made for the mask.