Oversized Metal Tubing with Oval Vertical Supports Innovative frame component structure delivers optimized strength. Coated on the outside for anti-corrosion. Standard 3-Ply The puncture-resistant laminate material meets our Super Tough classification. Enjoy multiple seasons of fun, knowing we've built top-tier durability into the liner. Simple T-Joints Just snap frame components into our inventive T-joints—no tools needed! This feature is a big reason why the pool takes only about 30 minutes to set up. Filtration-Ready We've built filter pump hose connectors in to the wall, so it's easy for you to install a filter pump (sold separately). Filter pumps clarify the water in above ground pools by removing dirt and debris. Backyard Enhancer The pool's bright-gray theme and blue mosaic liner pattern bring a cheerful ambiance to complement your afternoon of fun in the sun.