Aqua Gym Equipment Market Size, Share & Industry Analysis, By Product Type (Aqua Bikes, Aqua Treadmills, Aqua Steppers, and Others), By Material (Stainless Steel Equipment, Aluminum Equipment, Plastic/Composite Materials, and Foam-Based Equipment), By End User (Health & Fitness Clubs, Rehabilitation Centers & Hospitals, Hotels, Resorts & Spas, and Others), By Distribution Channel (Direct Sales, Specialty Fitness Equipment Retailers, Online/E-Commerce Platforms, and Distributors & Wholesalers), and Regional Forecast, 2026-2034