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Neptune Believe Tub

Believe 3666, 4266, 3672 & 4272

Rectangle Tub | 3666, 4266, 3672 & 4272 Whirlpool, Air or Soaking Tub | Drop-in Designed for 2
Beautiful, ergonomic and comfortable, this Believe rectangular bathtub features harmonious angles and curves, with a large bathing well and built-in armrests for pure pleasure. Center drain and two reclining backrest give the option of two bathers. Choose from a soaking, whirlpool, air or combination tub.


Neptune Believe Sale | Save on all Soaking, Whirlpool or Air Tubs

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Choose Believe Drop-in or Freestanding Tub

Believe Drop-in
Rectangle Tub, Center Drain, Armrests with Tonic System
Whirlpool, Air Tub or Soaking Bathtub
Faucets not included with tub - no holes will be drilled by Neptune. Your installer can place faucets.


Choose Believe Drop-in Size:

3666 Believe - 66 x 36

PDF DownloadTechnical Sheet
Tub Size: 66 x 36 x 24
Water Capacity: 94 Gallons
Water Depth: 17.5

Bathtub Material: Acrylic
Standard Neptune Colors: White, Biscuit & Bone
Installation: Drop-in
Tub fitted with back jets may cause the pump to protrude by approximately 3" from overall dimension
Pump is located behind Right Side Seat
PDF DownloadProduits Neptune Owner's Manual

Believe 3666 Drop-in Soaking Bathtub

Call Now to Place Your Order 866-380-0303

  • Soaking Tub
    Tub Only | No Jets
    BE3666

    List Price: $1270.00
    Sale Price: $1047.00

Believe 3666 Drop-in Air & Whirlpool Bathtubs

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Whirlpool Tub
    Water Jets
    BE3666T

    List Price: $3815.00
    MSRP: $2861.25
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    2 diverter valves
    Electronic control
    13 A pump
    Believe Whirlpool Jet Location
  • Mass-air Air Bath
    Bottom Air Jets
    BE3666M

    List Price: $3985.00
    MSRP: $2988.75
    Sale Price: Contact Us

    21 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air Jet Location
  • Activ-air Air Bath
    Side Air Jets
    BE3666A

    List Price: $4210.00
    MSRP: $3157.50
    Sale Price: Contact Us

    48 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air Jet Location
  • Tonic Micro Bubbles
    Oxygenated Air Jets
    BE3666Q

    List Price: $8085.00
    MSRP: $6063.75
    Sale Price: Contact Us

    8 Oxygen Jets
    1 ½ h.p. Optima blower with
    300W heating element
    Syllent pump with integrated in-line heater
    4 Chromatherapy Lights
    Electronic control
    Chrome Drain
    Neptune Tonic System Location in the Believe Bath

Believe 3666 Combination Tub

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Mass-air & Whirlpool
    Bottom Air Jets & Water Jets
    BE3666M

    List Price: $6460.00
    MSRP: $4845.00
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    11 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air/Whirlpool Jet Location
  • Active-air & Whirlpool
    Side Air Jets & Water Jets
    BE3666CA

    List Price: $6685.00
    MSRP: $5013.75
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    36 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air/Whirlpool Jet Locations
  • Active-air & Mass-air
    Bottom & Side Air Jets
    BE3666CMA

    List Price: $6850.00
    MSRP: $5137.50
    Sale Price: Contact Us

    48 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Believe Mass-Air/Activ-Air Jet Locations
  • Active-air, Mass-air & Whirlpool
    BE3666TAM

    List Price: $10445.00
    MSRP: $7833.75
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    36 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Electronic control
    Believe Mass-Air/Activ-Air/Whirlpool Jet Locations

Believe Options →

4266 Believe - 66 x 42

PDF DownloadTechnical Sheet
Tub Size: 66" x 42" x 24"
Water Capacity: 116 Gallons
Water Depth: 17.5"

Bathtub Material: Acrylic
Standard Neptune Colors: White, Biscuit & Bone
Installation: Drop-in
Tub fitted with back jets may cause the pump to protrude by approximately 3" from overall dimension
Pump is located behind Right Side Seat
PDF DownloadProduits Neptune Owner's Manual


Believe 4266 Drop-in Soaking Bathtub

Call Now to Place Your Order 866-380-0303

  • Soaking Tub
    Tub Only | No Jets
    BE4266

    List Price: $1330.00
    Sale Price: $1083.00

Believe 3666 Drop-in Air & Whirlpool Bathtubs

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Whirlpool Tub
    Water Jets
    BE4266T

    List Price: $3870.00
    MSRP: $2902.50
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    2 diverter valves
    13 A pump
    Electronic control
    Believe Whirlpool Jet Location
  • Mass-air Air Bath
    Bottom Air Jets
    BE4266M

    List Price: $4040.00
    MSRP: $3030.00
    Sale Price: Contact Us

    21 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air Jet Location
  • Activ-air Air Bath
    Side Air Jets
    BE4266A

    List Price: $4260.00
    MSRP: $3195.00
    Sale Price: Contact Us

    48 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air Jet Location
  • Tonic Micro Bubbles
    Oxygenated Air Jets
    BE4266Q

    List Price: $8145.00
    MSRP: $6108.75
    Sale Price: Contact Us

    8 Oxygen Jets
    1 ½ h.p. Optima blower with
    300W heating element
    Syllent pump with integrated in-line heater
    4 Chromatherapy Lights
    Electronic control
    Chrome Drain
    Neptune Tonic System Location in the Believe Bath

Believe 4266 Combination Tub

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Mass-air & Whirlpool
    Bottom Air Jets & Water Jets
    BE4266C

    List Price: $6510.00
    MSRP: $4882.50
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    11 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air/Whirlpool Jet Location
  • Active-air & Whirlpool
    Side Air Jets & Water Jets
    BE4266CA

    List Price: $6740.00
    MSRP: $5055.00
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    40 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air/Whirlpool Jet Locations
  • Active-air & Mass-air
    Bottom & Side Air Jets
    BE4266CMA

    List Price: $6910.00
    MSRP: $5182.50
    Sale Price: Contact Us

    48 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Electronic control
    Believe Mass-Air/Activ-Air Jet Locations
  • Active-air, Mass-air & Whirlpool
    BE4266TAM

    List Price: $10560.00
    MSRP: $7920.00
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    40 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Electronic control
    Believe Mass-Air/Activ-Air/Whirlpool Jet Locations

Believe Options →

3672 Believe 72 x 36

PDF DownloadTechnical Sheet
Tub Size: 72" x 36" x 24"
Water Capacity: 102 Gallons
Water Depth: 17.5"

Bathtub Material: Acrylic
Standard Neptune Colors: White, Biscuit & Bone
Installation: Drop-in
Tub fitted with back jets may cause the pump to protrude by approximately 3" from overall dimension
Pump is located behind Right Side Seat
PDF DownloadProduits Neptune Owner's Manual


Believe 3672 Drop-in Soaking Bathtub

Call Now to Place Your Order 866-380-0303

  • Soaking Tub
    Tub Only | No Jets
    BE3672

    List Price: $1330.00
    Sale Price: $1083.00

Believe 3666 Drop-in Air & Whirlpool Bathtubs

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Whirlpool Tub
    Water Jets
    BE3672T

    List Price: $3870.00
    MSRP: $2902.50
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    2 diverter valves
    Electronic control
    13 A pump
    Believe Whirlpool Jet Location
  • Mass-air Air Bath
    Bottom Air Jets
    BE3672M

    List Price: $4040.00
    MSRP: $3030.00
    Sale Price: Contact Us

    21 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air Jet Location
  • Activ-air Air Bath
    Side Air Jets
    BE3672A

    List Price: $4260.00
    MSRP: $3195.00
    Sale Price: Contact Us

    52 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air Jet Location
  • Tonic Micro Bubbles
    Oxygenated Air Jets
    BE3672Q

    List Price: $8145.00
    MSRP: $6108.75
    Sale Price: Contact Us

    8 Oxygen Jets
    1 ½ h.p. Optima blower with
    300W heating element
    Syllent pump with integrated in-line heater
    4 Chromatherapy Lights
    Electronic control
    Chrome Drain
    Neptune Tonic System Location in the Believe Bath

Believe 3672 Combination Tub

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Mass-air & Whirlpool
    Bottom Air Jets & Water Jets
    BE3672C

    List Price: $6510.00
    MSRP: $4882.50
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    11 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air/Whirlpool Jet Location
  • Active-air & Whirlpool
    Water & Side Air Jets
    BE3672CA

    List Price: $6740.00
    MSRP: $5055.00
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    40 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air/Whirlpool Jet Locations
  • Active-air & Mass-air
    Bottom & Side Air Jets
    BE3672CMA

    List Price: $6910.00
    MSRP: $5182.50
    Sale Price: Contact Us

    52 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Electronic control
    Believe Mass-Air/Activ-Air Jet Locations
  • Active-air, Mass-air & Whirlpool
    BE3672TAM

    List Price: $10495.00
    MSRP: $7871.25
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    40 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Electronic control
    Believe Mass-Air/Activ-Air/Whirlpool Jet Locations

Believe Options →

4272 Believe - 72 x 42

PDF DownloadTechnical Sheet
Tub Size: 72" x 42" x 24"
Water Capacity: 127 Gallons
Water Depth: 17.5"

Bathtub Material: Acrylic
Standard Neptune Colors: White, Biscuit & Bone
Installation: Drop-in
Tub fitted with back jets may cause the pump to protrude by
approximately 3" from overall dimension
Pump is located behind Right Side Seat
PDF DownloadProduits Neptune Owner's Manual


Believe 4272 Drop-in Soaking Bathtub

Call Now to Place Your Order 866-380-0303

  • Soaking Tub
    Tub Only | No Jets
    BE4272

    List Price: $1385.00
    Sale Price: $1039.00

Believe 4272 Drop-in Air & Whirlpool Bathtubs

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Whirlpool Tub
    Water Jets
    BE4272T

    List Price: $3925.00
    MSRP: $2943.75
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    2 diverter valves
    Electronic control
    13 A pump
    Believe Whirlpool Jet Location
  • Mass-air Air Bath
    Bottom Air Jets
    BE4272M

    List Price: $4095.00
    MSRP: $3071.25
    Sale Price: Contact Us

    21 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air Jet Location
  • Activ-air Air Bath
    Side Air Jets
    BE4272A

    List Price: $4325.00
    MSRP: $3243.75
    Sale Price: Contact Us

    52 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air Jet Location
  • Tonic Micro Bubbles
    Oxygenated Jets
    BE4272Q

    List Price: $8200.00
    MSRP: $6150.00
    Sale Price: Contact Us

    8 Oxygen Jets
    1 ½ h.p. Optima blower with
    300W heating element
    Syllent pump with integrated in-line heater
    4 Chromatherapy Lights
    Electronic control
    Chrome Drain
    Neptune Tonic System Location in the Believe Bath

Believe 4272 Combination Tub

Sale Price Not Listed? Contact Us 866-380-0303 or (email) for Sale Prices

  • Mass-air & Whirlpool
    Bottom Air Jets & Water Jets
    BE4272C

    List Price: $6570.00
    MSRP: $4927.50
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    11 Mass-air injectors
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Mass-Air/Whirlpool Jet Location
  • Active-air & Whirlpool
    Side Air Jets & Water Jets
    BE4272CA

    List Price: $6685.00
    MSRP: $5013.75
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    44 Activ-air micro-jets
    1 ½ h.p. Optima blower with
    300W heating element
    Electronic control
    Believe Activ-Air/Whirlpool Jet Locations
  • Active-air & Mass-air
    Bottom & Side Air Jets
    BE4272CMA

    List Price: $6965.00
    MSRP: $5223.75
    Sale Price: Contact Us

    52 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Electronic control
    Believe Mass-Air/Activ-Air Jet Locations
  • Active-air, Mass-air & Whirlpool
    BE4272TAM

    List Price: $10665.00
    MSRP: $7998.75
    Sale Price: Contact Us

    6 Turbo jets
    10 Micro-rotating back jets
    13 A pump and 2 diverter valves
    46 Activ-air micro-jets
    11 Mass-air injectors
    2 - 1 ½ h.p. Optima blowers with
    300W heating element
    Electronic control
    Believe Mass-Air/Activ-Air/Whirlpool Jet Locations

Believe Options
• Model Specific Options
  Tile Flange
  Handle (1- Centered Opposite Overflow) | White, Bone, Biscuit or Chrome
  Rayola | Shell Heating System | Control Colors: Chrome, White, Biscuit or Bone
All Neptune Options and Features →


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