gro-clone
pretty much,the pump is incorporated,it has a air hose going to it,pulls air in,so you have a circurlating bubble current,as for specs ther are so many on this site go to home and go to diy,they are very simple to make,do your home work,save$$$,ps inline pump works best,keeps solution,adjustable. let me know how you make out,good luck, kindindy