Last May when I hooked up my mini-shower unit to two drinking-water hoses outside to drip back into the Bame Family Farm sulfur water well, I used two 25-foot white drinking-water hoses, one mini-shower unit, and these three brass pieces. I also bought a little roll of white teflon tape to wrap around the ends.
The video with more details and video of the homemade drip line:
I found this particularly inspiring, a video by an 18-year-old Navajo youth; the video won him a trip to the White House. See the Indian Country Today article for the rest of the story.