Sefton-EP91 Posted February 5, 2014 Posted February 5, 2014 What's peoples suggestions on the internal diameter of hose used? How wide does the internal diameter need to be? I dont want it to be too small therefore making it harder to breathe.Thanks. Quote
5T4R7ET N/A Posted February 5, 2014 Posted February 5, 2014 Anything that has an8 fitting or bigger will be fine. Quote
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