18' Round 52" High Above Ground Heritage STL Swimming Pool with Caribbean Overlap 25 Gauge Liner, Hayward Sand Filter System, Confer Safety Ladder and Thru Wall Skimmer 18 Foot Round 52" High Above Ground Pool comes with heavy duty Caribbean Overlap 25 gauge liner and Thru Wall Skimmer. Attractive embossed 7" steel Krystal Kote top rails with Resin interlocking top caps. 6" Krystal Kote Uprights with hardware free 'Snap In' resin bottom cuff. Includes Hayward 166T Sand Filter System and Confer Plastics Evolution A-Frame Ladder Pool Has Manufacturer's 40 Year Limited Warranty - Liner Has Manufacturer's 15 Year Limited Warranty