... pipeless swimming pool filtration device,pool filtration unit,water treatment equipment 1.OEM 2.Good for clean pool ... 2012 pipeless swimming pool filtration device,pool filtration unit,water treatment equipment--Swimming pool cleaning eqipment----(0086)13798114158 BettyA. ... No need pipe, Easy to install2) More funtions( filter, spa, illumination, impact bath, cleaning, ladder) 3) One-time molding ...