Water divider ???

Hi quick question what is that water divider at 6:51 ??? i searched drip nozzles and couldn't find , what is it called ?


http://www.youtube.com/watch?v=8kBQbEjMpGA

I think it's called a manifold, here's another, different design

http://www.homehydro.co.uk/accessories/irrigation/4-way-dripper-manifold-3mm.html

I recall it frying my head a little way back when I was ordering my first hydro gear! lol!
I never ended up using it either! lol!

lol thanks bro cheers