Radiant Pools PML8GT 18' x 30' Metric Freeform Gray Wisp Above Ground Pool - The incredible Metric Series pool can be installed aboveground, inground, and semi-inground, on a slope or into a hill. The Radiant Metric Series pool fits any backyard and any budget. No other aboveground pool offers you this type of versatility! This Metric Series pool is 18' x 30' and features a Freeform shape. It includes all the components you need to complete your pool.