Hi, I just wanted to ask, does anybody know where in the world can I find that dang backwash cap?. I bought my intex sand filter on Craigslist and everything is fine, except I don't have the cap, for now I'm using the valve that comes with my intex pump just to keep it from draining, I just set up the Pool 2 days ago. But I need that cap asap and can't find it anywhere.