They just connect to one another.So i plan to put vinyl lattice infront of the pipes.I live in a 300 home neighborhood.So i have been stocking aloooooot of BG and adult LMB.To this point i have brought 72 LMB and i have caught 1300+ BG in the past 4 months.I have since found the Some of the lmb have went to the next pond while the BG has stayed in the pond that i put them in.Oh well me and all the kids are haveing a blast fishing and waiting for the ocean to warm up so we can go surfing.Later on evry1