The RX model fits through doorways. It fits just about anywhere. And it runs anywhere there is a dedicated 115V power source. The RX seats four adults and has adjustable hydro massage jets in all the right places.

Specifications
Seating Capacity	4 Adults
Dimensions	6'6" x 33" h(1.98m x .84m h)
Water Capacity	245 gallons/927 litres
Weight	345 lbs/156 kg dry; 3,005 lbs/1,363 kg filled*
Spa Shell	Champagne Metalescent or Jade granite-like acrylic
Endurol® Spa Exterior	Creme
Underwater Light	Included (with interchangeable colored lenses)  Splendors™ multi-color LED light is optional
Jets (10 total)	3 Directional Hydromassage Jet  1 Rotary Hydromassage Jet  6 Precision® Jets
Jet Pumps	Wavemaster® 4000  Continuous Duty 1.0 HP   Breakdown Torque 2.0 HP
Control System	IQ 2020™ 115v**/15 amp (115v/30 amp optional***)
G.F.C.I. Protected	Yes
Heater	No-Fault®
Effective Filter Area	30 sq. ft.
Water Care Options	FreshWaterAg+®Purifier
Fully Foamed Insulation	Included
Floor Drain	Included
Vinyl Cover   (ASTM rated)	Hunter Green or Rust  (3.5" to 2.5" tapered, 1lb density foam core, UL classified)
*   Includes water and maximum seating capacity (based on adults       weighing 175 lbs. each).  **  Requires a dedicated 15 amp circuit supplied to the unit at all       times. Electrical requirements will vary outside the U.S.  *** Subpanel must be ordered separately