KOHLER 3999-U Highline Two-piece elongated 1.28 gpf chair height toilet with insulated tank
KOHLER 3999-U Highline Two-piece elongated 1.28 gpf chair height toilet with insulated tank
KOHLER 3999-U Highline Two-piece elongated 1.28 gpf chair height toilet with insulated tank
  • Load image into Gallery viewer, KOHLER 3999-U Highline Two-piece elongated 1.28 gpf chair height toilet with insulated tank
  • Load image into Gallery viewer, KOHLER 3999-U Highline Two-piece elongated 1.28 gpf chair height toilet with insulated tank
  • Load image into Gallery viewer, KOHLER 3999-U Highline Two-piece elongated 1.28 gpf chair height toilet with insulated tank

KOHLER 3999-U Highline Two-piece elongated 1.28 gpf chair height toilet with insulated tank

Toilets - KOHLER

Regular price
$382.16
Sale price
$382.16
Regular price
$509.55
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per 
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With its clean, simple design and efficient performance, this Highline water-conserving toilet combines both style and function. An innovative 1.28-gallon flush setting provides significant water savings of up to 16,500 gallons per year, compared to an old 3.5-gallon toilet, without sacrificing flushing power. This model features a unique tank liner that minimizes exterior condensation in humid environments.


  • Two-piece design
  • Elongated bowl offers added room and comfort
  • Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults
  • 1.28 gpf (4.8 lpf)
  • Left-hand Polished Chrome trip lever
  • Insuliner tank liner minimizes condensation on the tank
  • Combination consists of the K-4467-U tank and the K-4199 bowl

Additional Resources:
Specification Sheet