Best Kohler One Piece Toilets in 2026

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; For back to back toilet installations: Use only a 45 degree double wye fitting

Standard left hand trip lever included

1.28 gallons per flush (gpf)

Includes brevia quiet close seat

Single flush gravity uses the force of gravity and a precision engineered tank, bowl, and trapway to create a strong siphon during flushing

AquaPiston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush

Flush valve's 3:2 ratio harnesses the natural force of gravity and optimizes flush performance

Durable canister design has 90 percent less exposed seal material than a 3 inch flapper, for leak free performance

Left hand nested trip lever offers a choice of 1.1 or 1.6 Gallons per flush

2 1/8 Inch glazed trap way

Coordinates with other products in the Wellworth collection

Revolution 360 swirl flushing technology generates a forceful swirling motion to keep the bowl cleaner, longer

Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults.

Toilet seat not included

Durable canister design has 90% less exposed seal material than a 3" flapper for leak-free performance

Comfort Height(R) feature offers a chair-height seat that makes sitting down and standing up easier for most adults.

Left-hand nested trip lever offers a choice of 1.1 or 1.6 gallons per flush (gpf).

Combination consists of the the K-4199 bowl and the K-4458 tank.

AquaPiston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush

Durable canister design has 90% less exposed seal material than a 3-inch flapper, for leak-free performance.

Comfort Height feature offers chair-height seating that makes sitting down and standing up easier for most adults

1. 28 gallons per flush (gpf)

Concealed trapway and Clean Caps facilitate easier cleaning and enhanced design

Includes K-4008 Reveal Quiet-Close with Grip-Tight seat

Standard left-hand trip lever included

Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing

AquaPiston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush

Compact elongated bowl offers added comfort while occupying the same space as a round-front bowl

Comfort Height(R) feature offers chair-height seating that makes sitting down and standing up easier for most adults

Includes K-4008 Grip-Tight Reveal Q3 seat

Aqua Piston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush

Dual flush offers a choice of 0.8 or 1.28 GPF

Thankless design with direct water supply

Class five flushing technology offers virtually plug-free performance and rinsing power for a clean bowl

Standard 12-inch rough-in and three-bolt installation; does not include seat or supply line

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

1.28 gpf (4.8 lpf)

Left-hand Polished Chrome trip lever

2-1/8" (54 mm) fully glazed trapway

Revolution 360 flushing technology generates a forceful swirling motion to keep the bowl clean longer

CleanCoat surface treatment inhibits the growth of water scale and mineral stains for improved ease of cleaning

Compact, streamlined one-piece intelligent toilet with integrated personal cleansing

Elongated bowl offers added room and comfort

Top-mount dual-flush actuator offers a choice of 0.8 or 1.28 gpf (3.0 or 4.8 lpf)

2-in (51 mm) fully-glazed trapway

Quiet-Close seat with Quick-Release functionality allows seat to close quietly and quickly unlatch from the toilet for easy removal and cleaning

Overhanging lid design creates a clean and sleek look.

1. 28 gallons per flush (gpf)

Quick-Release hinges allow seat to be unlatched from toilet for easy removal and convenient cleaning; no tools required

Standard 12-inch rough-in

Supply line not included

Water Sense toilets meet strict EPA flushing guidelines, including using at least 20 percent less water than 1. 6-gallon toilets

Comfort Height Feature Offers Chair-Height Seating That Makes Sitting Down And Standing Up Easier For Most Adults.

1.28 Gpf (4.8 Lpf).

TRIP LEVER: Left-hand Polished Chrome trip lever

GLAZED TRAPWAY: 2-1/8-in (54 mm) fully-glazed trapway meaning fewer clogs and issues

SLOW CLOSE SEAT: Slow close or quiet close seat included with purchase, allows for a no-slam quiet close experience

SUPPLY LINES: Sold separately

MODERN: Modern contemporary design that will fit in your space or with your decor

WATER SAVINGS: a dual flush toilet can save you as much as 6,000 gallons of water per year

White finish

Aquapiston canister allows water to flow into the bowl from all sides (360 degrees), increasing the power and effectiveness of the flush

Durable canister design has 90% less exposed seal material than a 3-inch flapper, for leak-free performance

Dual flush offers a choice of 0.8 or 1.0 gpf (3.0 or 3.8 l/pf)

Stainless steel wand offers adjustable spray shape, position, water pressure, temperature, pulsate, and oscillate functions

Includes wall-hung bowl with Memoirs seat

Pairs with the K-18829 in-wall tank and carrier system, and K-77271 Memoirs, K-8857 Bevel, K-4177 Droplet, K-5413 Cue, K-75890 Lynk, and K-75891 Note flush actuator plates

Dual flush offers a choice of 0.8 or 1.28 gpf (3.0 or 4.8 lpf)

Left-hand Polished Chrome trip lever

2-1/8-in (54 mm) fully glazed trapway

Fully skirted trapway simplifies cleaning

Quiet-Close elongated seat allows seat to close quietly

Coordinates with other products in the Brazn collection

Advanced personal cleansing functionality with self-cleaning wand and precision air dryer

Adjustable settings for heated seat, dryer and water temperature

Dual flush offers a choice of 0.8 or 1.6 gallons per flush (gpf)

Stainless steel wand offers adjustable spray shape, position, water pressure, temperature, pulsate, and oscillate functions

1.28 gpf (48 lpf)

Left-hand Polished Chrome trip lever

2-1/8-in (54 mm) fully glazed trapway

Hidden cord design conceals cleansing seat cords

Fully skirted trapway simplifies cleaning

Quiet-Close elongated lid and seat prevents slamming

Coordinates with other products in the Veil collection

Bowl and seat only; requires KOHLER in-wall tank and carrier system, and dual-flush actuator (sold separately)

1.6 gpf (6.0 lpf)

Left-hand Polished Chrome trip lever

2-1/8 in. (54 mm) fully glazed trapway

Revolution 360 flushing technology generates a forceful swirling motion to keep the bowl clean longer

CleanCoat surface treatment inhibits the growth of water scale and mineral stains for improved ease of cleaning

Also available with finish K-96058-SS

Glazed 2-1/8" trap way

Polished Chrome trip lever.

Equipped with Sloan FLUSHMATE – Sloan Valve Company.

1.28 gpf (4.8 lpf)

12-in x 9-1/2-in (305 mm x 241 mm) water surface

Concealed trapway facilitates easy cleaning and enhances design

Includes Quiet-Close seat, cover and supply line