MTI Hartwell: 72" Rectangle Drop-in Tub
The MTI Hartwell is a 72" x 48" rectangular bath that is roomy and comfortable enough for side by side bathing. The bathing area is an oval with an end drain and textured bottom. The sweeping armrests and lumbar support provide comfort. Choose a bath crafted from glossy white or biscuit acrylic, or matte white DoloMatte. Customize further with therapy systems and bathtub options.Tubz.com is an Authorized MTI Dealer


Hartwell (21) | 72" x 48" Soaking or Therapy Tub
Tub Size: 71.5" x 47.5" x 22"Bottom Interior: 47.75" x 31"
Water Depth: 17.25"
Maximum Fill: 101 gal to overflow
Back Rest Angle: 120/135° (Lumbar Support)
Bathtub Material:
- Acrylic CXL™ | Glossy | White & Biscuit
- DoloMatte™ | Matte | White Only
Installation: Drop-in
Made in America
Hartwell Soaking, Heated, Stream & Micro Bubble
- Soaking Tub
S21
MSRP$2845.00
$2134.00
DoloMatte™ +$585.00
Tub Only
Textured Bottom - Heated Soaking Tub
S21S + HTISOAK
MSRP$3746.00
$2810.00
DoloMatte™ +$585.00
Re-circulating Pump/Heater
Textured Bottom - Stream Bath
SM21
MSRP$5325.00
$3993.00
DoloMatte™ +$585.00
Gentle Current of Water
Textured Bottom - Micro Bubble
M21
MSRP$6080.00
$4560.00
DoloMatte™ +$585.00
Microbubble Skin Therapy
*System may extend beyond tub perimeter
Hartwell Whirlpool Spa
- Standard Whirlpool
P21
MSRP$5150.00
$3863.00
DoloMatte™ +$585.00
6 Point-massage Jets
2-BHP Pump
Textured Bottom - Ultra Whirlpool
P21U
MSRP$7095.00
$5321.00
DoloMatte™ +$585.00
6 Point-massage Jets
12 Micro jet with Tsubo-massage
(2) 2-BHP Pumps
Inline Heater
Ozone
Textured Bottom
Hartwell Air Tub
- Air Massage
AST21
MSRP$6400.00
$4800.00
DoloMatte™ +$585.00
20 Air Jets
Heated Air Blower
Aromatherapy
Textured Bottom
Pre-leveled Foam Base - Air Massage Elite
AE21
MSRP$8250.00
$6188.00
DoloMatte™ +$585.00
30 Air Jets
Heated Air Blower
Aromatherapy
Chromotherapy LED Lighting
Spa Mode
Textured Bottom
Pre-leveled Foam Base
Hartwell Combination Bathtub
Stream & Air Spa Bath
Stream & Air Spa Bath
- Stream Bath
& Air Massage
ASTSM21
MSRP$8390.00
$6293.00
DoloMatte™ +$585.00
6 Side Vents, 2 End Vents
1-BHP Pump
20 Air Jets
Heated Air Blower
Aromatherapy
Pre-leveled Foam Base - Stream Bath
& Air Massage Elite
AESM21
MSRP$10430.00
$7823.00
DoloMatte™ +$585.00
6 Side Vents, 2 End Vents
1-BHP Pump
30 Air Jets
Heated Air Blower
Aromatherapy
Chromotherapy LED Lighting
Spa Mode
Pre-leveled Foam Base
- Microbubbles
& Air Massage
ASTM21
MSRP$9045.00
$6783.00
DoloMatte™ +$585.00
Infusion port and pump
20 Air Jets
Heated Air Blower
Aromatherapy
Pre-leveled Foam Base - Microbubbles
& Air Massage Elite
AEM21
MSRP$10800.00
$8100.00
DoloMatte™ +$585.00
Infusion port and pump
30 Air Jets
Heated Air Blower
Aromatherapy
Chromotherapy LED Lighting
Spa Mode
Pre-leveled Foam Base
- Air Massage
& Standard Whirlpool
AW21
MSRP$8700.00
$6525.00
DoloMatte™ +$585.00
6 Point-massage Jets
2-BHP Pump
20 Air Jets
Heated Air Blower
Aromatherapy
Textured Bottom
Pre-leveled Foam Base - Air Massage
& Ultra Whirlpool
AU21
MSRP$10640.00
$7980.00
DoloMatte™ +$585.00
6 Point-massage Jets
12 Micro jet with Tsubo-massage
(2) 2-BHP Pumps
Inline Heater
20 Air Jets
Heated Air Blower
Aromatherapy
Pre-leveled Foam Base
Textured Bottom - Air Massage Elite
& Standard Whirlpool
AEAP21
MSRP$10555.00
$7916.00
DoloMatte™ +$585.00
6 Point-massage Jets
2-BHP Pump
30 Air Jets
Heated Air Blower
Aromatherapy
Chromotherapy LED Lighting
Spa Mode
Pre-leveled Foam Base
Textured Bottom - Air Massage Elite
& Ultra Whirlpool
AEAP21U
MSRP$11620.00
$8715.00
DoloMatte™ +$585.00
6 Point-massage Jets
12 Micro jet with Tsubo-massage
(2) 2-BHP Pumps
Inline Heater
30 Air Jets
Heated Air Blower
Aromatherapy
Chromotherapy LED Lighting
Spa Mode
Textured Bottom
Pre-leveled Foam Base
Buy Your MTI Hartwell on Sale from Bathtub Experts!
At Tubz.com we are not just order takers in a call center. We are a small team that takes pride in our personal customer service. We offer:- Factory-Direct Savings
- Free Shipping
- Full Manufacturer Warranty
- 25+ Years of Expert Service
The technical sheet will list the options available on this bath. For details on the options see:
MTI Options →
Therapy Systems:
Soaking, Heated, Stream Bath, Microbubbles, Air & Whirlpool
A recognized leader when it comes to the technology of modern hydrotherapy, MTI offers five distinct types of hydrotherapy experience. Each is unique, and thoroughly therapeutic. Whether you prefer the simple luxury of a soaking bath, the gentle experience of bathing in a forest stream, the invigorating deep-tissue massage of a whirlpool, the light full-body thermo-air massage or a combination of systems.
In-depth Information:
Award-Winning Design & Material Excellence
MTI Solutions tubs are handcrafted in the USA using a proprietary thermoforming process. Each shell is reinforced with a thick layer of fiberglass, resin, and titanium for extreme durability.
Choose Your Material:
• Acrylic CXL™ (High Gloss):
A continuous cast acrylic with a brilliant shine. It is lightweight, durable, and highly stain-resistant.
• DoloMatte™ (Matte Finish):
A thick, solid-surface slab that mimics the velvety feel of natural stone. It offers a luxurious, exquisite aesthetic with the durability of a composite.
More on MTI Freestanding Tub Surfaces →

