Save up to 40% on select sinks, vanities, bidet seats, and more through October 4, 2026.
Free Shipping: On parcel orders of $49+ for account holders.
3/4 view of product
Infographic of watersense feature
Detail image of a product feature
Detail image of a product feature
Up to 2 walls & multiple product categories visible, 1-point perspective
front view of product

+4

  • 3/4 view of product

Irvine®

Toilet tank, 1.28 gpf

K-20205-0
Color/FinishWhite

The KOHLER Irvine toilet tank uses AquaPiston® canister technology in a water-efficient 1.28 gpf design. The gravity-fed canister requires less force to actuate than a 3" flapper, while a left-hand trip lever provides familiar operation. Pair this toilet tank with the recommended toilet bowl for a c...

Features
Dimensions
Specifications
Installation & Service Parts
Design Files