# Kohler Highline K-3999: specs and price

**Price (US):** $343.76 (US price from the official Kohler.com product page for the white K-3999-0: shown as "$343.76" with "$458.35 List". priceUsd uses the $343.76 Kohler.com retail price; the list/MSRP figure is $458.35. Both figures appear verbatim on the source page.), as of 2026-07-13. Among the 10 toilets we track it is #5 cheapest of 10; category median $351.
**Brand:** Kohler

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $343.76 |
| Brand | Kohler |
| Flush type | gravity |
| Flush volume gpf | 1.28 |
| Map score | — |
| Bowl shape | elongated |
| Bowl height inches | — |
| Rough in inches | 12 |
| Trapway diameter inches | — |
| Piece count | two-piece |
| Water sense certified | — |
| Seat included | No |
| Weight pounds | — |

## Where it stands

At $344, the Kohler Highline K-3999 is #5 cheapest of the 10 toilets we track, where the median is $351. On the spec sheet, its flush volume gpf of 1.28 is at the median of the 10, and its rough in inches of 12 is at the median of the 10.

## Frequently asked questions

**How much does the Kohler Highline K-3999 cost?**

The Kohler Highline K-3999 has a US price of $343.76 (US price from the official Kohler.com product page for the white K-3999-0: shown as "$343.76" with "$458.35 List". priceUsd uses the $343.76 Kohler.com retail price; the list/MSRP figure is $458.35. Both figures appear verbatim on the source page.), as of 2026-07-13.

**How does the Kohler Highline K-3999 compare on price?**

At $344, the Kohler Highline K-3999 is #5 cheapest of the 10 toilets we track, where the median is $351.

**What are the Kohler Highline K-3999's key specs?**

Kohler Highline K-3999 (Kohler): flushType gravity, flushVolumeGpf 1.28, bowlShape elongated, roughInInches 12, pieceCount two-piece. Full sourced spec sheet verified 2026-07-13.

Source: https://www.kohler.com/en/products/toilets/shop-toilets/highline-comfort-height-two-piece-elongated-1-28-gpf-chair-height-toilet-3999 (kohler.com, accessed 2026-07-13)
Corroboration: https://la.kohler.com/en/product-detail/3999?skuid=K-3999-0 (accessed 2026-07-13)
Canonical: https://frontdeskreview.com/product/toilets/kohler-highline/
Cite: Per The Front Desk Review, the Kohler Highline K-3999 price of record was $343.76 as of 2026-07-13 — https://frontdeskreview.com/product/toilets/kohler-highline/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl