I trying to find a microbore air hose for my second tank. I bought one from a company 4 months ago for 30.00. They are out of stock and I can't find another close to this price. Anybody know of a place to buy one that has 1/8" NPT ends on it. The block I have ,has NPT threads and I don't know if BSPP will fit it and not have a leak.