Kohler Underscore® 72 x 36 in. Air Bath Drop-In Bathtub in White


  • Airjets 122 release thousands of bubbles that surround, support and massage the body
  • Variable-speed blower lets you adjust massage intensity to 18 levels
  • Zones of Control™ feature allows you to target massage to back and midsection or feet
  • Lighted keypad
  • Generous 6' length provides an incredibly spacious bathing area
  • Molded lumbar support offers extra comfort while bathing
  • Slotted overflow allows for deep soaking
  • Immediate and manual purge cycles remove residual water from air channels after use
  • Requires Kohler® K-7271 or K-7272 ClearFlo™ slotted overflow bath drain - (sold separately)
  • Center drain


ADA Compliant No
AMP 15
ANSI Specifications ANSI Z124.1.2
ASTM Specifications ASTM E-162, ASTM E-662
Bathtub Shape Rectangle
Bathtub Type Air Bath
CSA Certified CSA B45.10, CSA B45.5
Capacity 112.9 gal
Collection Underscore®
Drain Location Center
Height 23 in
IAPMO Listed Yes
Installation Type Drop-in, Undermount
Number Of Jets 122
Overall Width 36 in
UL Listed Yes
Volts 240V
Watts 300