Seaview Club 15ft x 42in Round Pool package, Comes with Exclucive see-thru Port hole, Steel Ladder with Resin Steps and Filter. This pool comes with many special features. Strong Painted Hot-Dipped Galvanized Steel Wall and Frame. All Weather Vinyl Liner with overlap welded seams. Galvanized Steel Pool Ladder w/ Molded Resin Steps. Cartridge Element Thru-the-Wall Filter with Pump System and built in wall Skimmer. Exclusive See Thru Port Hole. It can be installed on concrete or some other type of pad providing it is level and a protective layer of plastic sheeting in used between the pool and concrete