KOHLER 4645-0 Highline Classic Comfort Height Toilet Tank, 1.6 Gpf in White
KOHLER 4645-7 Highline Classic Comfort Height Toilet Tank, 1.6 Gpf in Black
KOHLER 4645-96 Highline Classic Comfort Height Toilet Tank, 1.6 Gpf in Biscuit
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  • Load image into Gallery viewer, KOHLER 4645-7 Highline Classic Comfort Height Toilet Tank, 1.6 Gpf in Black
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KOHLER K-4645 Highline Classic Comfort Height Toilet tank, 1.6 gpf

Toilet Tanks - KOHLER

Regular price
$389.18
Sale price
$389.18
Regular price
$518.90
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Pressure Lite toilets raise the bar for exceptional bulk flushing performance. When paired with a Highline toilet bowl, the durable construction of this Highline Pressure Lite toilet tank with left-hand trip lever ensures years of reliability.


  • Kohler plumbing products mean beautiful form as much as reliable function.
  • Combine with K-4304 or K-4304-L to create K-3493 Highline Pressure Lite toilet.
  • Please see K-3493 Highline Pressure Lite toilet for full details.
  • Constructed of vitreous china.
  • Pressure Lite toilets utilize a 1.6-gallon per flush.

Additional Resources:
Specification Sheet