Experience The Ultra Difference – High-quality galvanized steel frame with a precision-engineered locking system enhances pool durability and stability; Includes a 2-year warranty Easy To Assemble – Ready for water in 60 minutes; Easy Lock System allows quick assembly with snap-together frame components—no pins or tools needed Rust Resistant – Inner and outer powder coating provides superior rust resistance; T-Joints are engineered for strength and UV-protected for durability and weather resistance Super-Tough – Constructed with puncture-resistant 3-Ply PVC, this pool withstands summer wear and tear; Includes a patch for easy repairs if needed Krystal Clear Sand Filtration System – Included Krystal Clear Sand Filter System (#26647EG) keeps water sparkling clean and reducing chemical use