Diana 59 in. Acrylic Freestanding Double Ended Air Bath Bathtub with Drain and Overflow Included in White Fiberglass Edging A: The patented self modulating technology A: The patented self modulating technology adjusts energy usage based on hot water demand 55 Builders Hardware Product Type Door Hinge Material Steel Hinge Radius Square Commercial Residential Commercial Pin type Fixed Pin Returnable 180 Day Package Quantity 2 Finish Galvanneal Hardware Finish Family Gray Mounting Type Wall Hole Pattern Zig Zag Hinge Type Surface mount Holes 10 Mounting Type2 Surface Mount Interior Exterior Interior Exterior Fasteners included Yes Hinge Feature Mounting Hardware Included GFCI outlet to plug into ) 117 Bath Therapy Type Air Faucet mount Floor Water capacity (gallons) 55 Power Options Plug in Maximum Number of Occupants 1 Returnable 180 Day Drain Location Center Material Acrylic Remote Access No Remote Access Voltage (volts) 120 Tub Design Roll Top Control Type Touch Number of jet settings 1 Color Finish White Tub Shower Features Adjustable Jet Flow