❀Standard 3.5 Inch size compatibility with swimming pools, home bathtubs and tubs, offering direct replacement for old nozzles with strong adaptability across multiple water systems. ❀Make of engineering that resists water , high temperatures and aging, ensuring long terms for both indoor and outdoor environments. ❀Professional hydrotherapy design creates swirling yet gentle water streams for depth muscle relaxation and immersive bathing . ❀Precisions sealed connection ensures tight installation without water leakage or loosening, providing stable and worry without operations. ❀Simple replacement process requiring without speciality tool, featuring minimalists design suitable for homes, villas and hospitality Bathtubs upgrades.