Ella''s Monaco is vacuum formed from a solid acrylic sheet. Under the shell is a rust proof, stainless steel frame reinforced with multiple fiberglass mesh and gelcoat layers. The Monaco''s main feature is the U-Shape Outward Swing Door made with industrial grade durable plastic composite material with a decorative tempered glass front screen to conceal the mechanical door lock system. It opens outward and uses a gear/shaft driven 3-latch door lock to provide you with a safe, leak-free bathing experience.The Monaco comes with our unique Ella Dual Drain Technology consisting of two 2" gravity driven drains with four 2" outlets, 2 overflows and 2 openers, allowing a fast, reliable drain. The Hydro Massage System includes: a hydro pump with an in-line water heater, eco-friendly ozone sterilization system, intensity dial control, and strategically positioned hydro jets. The Ella Monaco has 15 strategically placed hydro jets: 9 upper fixed jets provide relief to your back, hips/thighs, and 6 lower adjustable jets for your feet/calves. The Air Jet Massage System includes an air pump with a 3-speed variable push control, strategically positioned air jets for optimal therapeutic relief, and an auto-purge to maintain an air system free of any build ups. The Monaco has 16 strategically placed air jets create a gentle massage. 8 upper, fixed flat jets for your back, hips and thighs, while 8 floor jets located in the lower foot area for a foot and leg massage. The 2-Piece fast-fill faucet (16 GPM based on plumbing conditions) has: a mounted faucet and a pull out multi-functional hand shower. The Chromatherapy features multicolor LED lights.