KOHLER K-96058-SS Highcliff Ultra Rear spud antimicrobial flushometer bowl

KOHLER K-96058-SS Highcliff Ultra Rear spud antimicrobial flushometer bowl

  • $207.90
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The Highcliff Ultra floor-mount flushometer bowl features a revolutionary flushing engine and refined aesthetic design. Measuring 16-7/8" to the top of the rim, the Highcliff Ultra meets both ADA and CSA height requirements. The Ultra engine represents a breakthrough in flush performance, tolerating a wide range of water supply conditions found in R&R and new construction. The Highcliff Ultra is listed from 1.1 to 1.6 gpf but can operate at 1.0 gpf. It performs well at every flush interval, making it uniquely effective with dual flush valves. It has been proven with all manner of valves (diaphragm, piston, manual, and electronic) from a variety of manufacturers.


  • Elongated bowl offers added room and comfort.
  • 1-1/2" (38 mm) rear spud.
  • 1.28 gpf - 1.6 gpf (4.8 - 6.0 lpf) flush range.
  • 10" x 7" (254 mm x 178 mm) water surface.
  • Antimicrobial finish inhibits the growth of mold-, mildew-, stain-, and odor-causing bacteria on the fixture surface. This product does not protect users against bacteria, viruses, or other disease organisms. Always clean and wash this product thoroughly
  • Replaces Highcrest K-4301 and Highcliff K-4367.
  • 2-1/8" (54 mm) fully glazed trapway.
  • Supports static load of 2,500 lbs.

Additional Resources:
Specification Sheet
Installation Instructions

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