Quote: As long as you're following this thread, Josh,
I assume you mean me- John?
Quote: if you're going to offer these masks, are you going to give any consideration to the slit spacing?
The spacing gets smaller as the diameter of the mask gets smaller. I don't have an 8" with me right now, so Jerry would probably be a better person to ask about that. I suggest PMing him if you want to know the dimensions.