---
product_id: 77045504
title: "Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately)"
brand: "kohler"
price: "$1648.52"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/77045504-kohler-k-3999-7-highline-comfort-height-toilet-black-seat
store_origin: US
region: United States of America
---

# 1.28 GPF water-saving flush Comfort Height for easy sit/stand 3-bolt quick installation Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately)

**Brand:** kohler
**Price:** $1648.52
**Availability:** ❌ Out of Stock

## Summary

> 🚽 Elevate your bathroom game with comfort and style that saves water!

## Quick Answers

- **What is this?** Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately) by kohler
- **How much does it cost?** $1648.52 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/77045504-kohler-k-3999-7-highline-comfort-height-toilet-black-seat)

## Best For

- kohler enthusiasts

## Why This Product

- Trusted kohler brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Kohler Quality:** Backed by a one-year warranty and decades of innovation for peace of mind.
- • **Streamlined Installation:** Pre-installed 3-bolt system cuts setup time, so you can upgrade hassle-free.
- • **Eco-Smart Flush Technology:** Save up to 16,500 gallons annually with a powerful yet water-efficient 1.28 GPF flush.
- • **Effortless Comfort Seating:** Chair-height design reduces strain, perfect for all ages and busy professionals.
- • **Sleek Black Vitreous China:** Modern, durable finish that elevates your bathroom’s style and hygiene.

## Overview

The Kohler K-3999-7 Highline Comfort Height Toilet in black combines ergonomic chair-height seating with a water-efficient 1.28-gallon flush, saving up to 16,500 gallons annually. Its durable vitreous china finish and quick 3-bolt installation make it a stylish, practical upgrade trusted by professionals.

## Description

Product Description With its clean, simple design and efficient performance, this KOHLER 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 two-piece elongated toilet, without sacrificing flushing power. The elongated seat and chair-like height ensure comfortable use. From the Manufacturer Exceptional Performance. Exceptional Value. Wellworth toilets have been an American benchmark for innovation and performance since 1936. With a new design in 2011, the Wellworth toilet brings and elegant flare that complements a wide range of bathroom de

## Features

- Comfort Height Elongated Toilet bowl - With a seat height comparable to that of a standard chair, Comfort Height toilets make sitting down and standing up easier for people of all ages
- 12" rough-in
- 29-1/2" (74. 9cm) x 18 (45. 7cm) x 31-1/4” (79. 4cm)
- Class Five(R) - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness
- 3-bolt Installation - Three pre-installed tank bolts save installation time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004PUJUIY |
| Best Sellers Rank | #345,305 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #95 in Two-Piece Toilets |
| Brand Name | Kohler |
| Color | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (691) |
| Global Trade Identification Number | 00650531967602 |
| Included Components | Product Only |
| Installation Method | Floor Mounted |
| Item Dimensions D x W x H | 29.5"D x 18"W x 31.25"H |
| Item Type Name | Toilet |
| Item Weight | 93 pounds |
| Manufacturer | KOHLER |
| Manufacturer Part Number | K-3999-7 |
| Manufacturer Warranty Description | One-year limited warranty |
| Material Type | Vitreous China |
| Model Number | K-3999-7 |
| Number of Items | 1 |
| Seat Material | Plastic |
| Shape | elongated |
| UPC | 650531967602 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Kohler
- **Color:** Black
- **Item Weight:** 93 pounds
- **Material:** Vitreous China
- **Product Dimensions:** 29.5"D x 18"W x 31.25"H

## Images

![Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately) - Image 1](https://m.media-amazon.com/images/I/41IuL3lCQGL.jpg)
![Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately) - Image 2](https://m.media-amazon.com/images/I/21wYUH3QKqL.jpg)
![Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately) - Image 3](https://m.media-amazon.com/images/I/418lE3FDvuL.jpg)
![Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately) - Image 4](https://m.media-amazon.com/images/I/41FVsZs3k4L.jpg)
![Kohler K-3999-7 Highline Comfort Height Toilet, Black (Seat and Supply Line Sold Separately) - Image 5](https://m.media-amazon.com/images/I/41e3-A+qQPL.jpg)

## Available Options

This product comes in different **Pattern, Color** options.

## Frequently Bought Together

- Kohler K-3999-7 Highline Comfort Height Toilet, Black
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**Shop now:** [https://www.desertcart.us/products/77045504-kohler-k-3999-7-highline-comfort-height-toilet-black-seat](https://www.desertcart.us/products/77045504-kohler-k-3999-7-highline-comfort-height-toilet-black-seat)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-22*