Kohler
Two-piece, Round, 1.5 to 1.6 GPF
+Uses 1.6 GPF, a standard flush volume
+Two-piece design allows the tank to be replaced separately
+Round bowl takes up less floor space than elongated
−Single flush rather than dual flush
−Round bowl offers less seating room than elongated
No current price. Check it at the store.
Product details
Pros+Uses 1.6 GPF, a standard flush volume
+Two-piece design allows the tank to be replaced separately
+Round bowl takes up less floor space than elongated
Cons−Single flush rather than dual flush
−Round bowl offers less seating room than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Kohler
Two-piece, Round, 1.5 to 1.6 GPF
+Uses 1.6 GPF, a standard flush volume
+Two-piece design allows the tank to be replaced separately
+Round bowl takes up less floor space than elongated
−Single flush rather than dual flush
−Round bowl offers less seating room than elongated
No current price. Check it at the store.
Product details
Pros+Uses 1.6 GPF, a standard flush volume
+Two-piece design allows the tank to be replaced separately
+Round bowl takes up less floor space than elongated
Cons−Single flush rather than dual flush
−Round bowl offers less seating room than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Kohler
Two-piece, Round, 1.5 to 1.6 GPF
+Uses 1.6 GPF, a standard flush volume
+Two-piece design allows the tank to be replaced separately
+Round bowl takes up less floor space than elongated
−Single flush rather than dual flush
−Round bowl offers less seating room than elongated
No current price. Check it at the store.
Product details
Pros+Uses 1.6 GPF, a standard flush volume
+Two-piece design allows the tank to be replaced separately
+Round bowl takes up less floor space than elongated
Cons−Single flush rather than dual flush
−Round bowl offers less seating room than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Kohler
Two-piece, Round, 1.5 to 1.6 GPF
+Two-piece design with separate tank and bowl
+Round bowl takes up less floor space
+Uses 1.5 to 1.6 gallons per flush
No current price. Check it at the store.
Product details
Pros+Two-piece design with separate tank and bowl
+Round bowl takes up less floor space
+Uses 1.5 to 1.6 gallons per flush
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Swiss Madison
One-piece, Round, Dual flush, 1.5 to 1.6 GPF
+Compact round bowl fits smaller bathrooms
+Dual flush lets you choose water volume
+One-piece construction has no seam at the tank
−Round bowl offers less seat area than elongated
$240.25
as of 11/04/2026 04:41 PST - DetailsProduct details
Pros+Compact round bowl fits smaller bathrooms
+Dual flush lets you choose water volume
+One-piece construction has no seam at the tank
+10 inch rough-in suits compact setups
Cons−Round bowl offers less seat area than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Renovators Supply Manufacturing
Two-piece, Round, Dual flush, 1.5 to 1.6 GPF
+Dual flush offers separate light and full flush options
+Two-piece design is simpler to install and replace
+12 inch rough-in fits standard bathroom layouts
−Round bowl offers less seat length than elongated models
No price recorded yet.
Product details
Pros+Dual flush offers separate light and full flush options
+Two-piece design is simpler to install and replace
+12 inch rough-in fits standard bathroom layouts
+Slow close seat reduces lid slamming
Cons−Round bowl offers less seat length than elongated models
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Proflo
Two-piece, Round, 1.5 to 1.6 GPF, Chair height
+Chair height for easier sitting and standing
+Compact round bowl for smaller bathrooms
+ADA compliant design
−Round bowl offers less seating space than elongated
$215.27
as of 11/04/2026 00:45 PST - DetailsProduct details
Pros+Chair height for easier sitting and standing
+Compact round bowl for smaller bathrooms
+ADA compliant design
+Left hand lever flush
Cons−Round bowl offers less seating space than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Saniflo
Round, 1.5 to 1.6 GPF
+Round bowl fits compact bathrooms
+1.6 GPF flush is a standard water use
+Comes as a 5-piece bundle in white
−Round bowl offers less seat room than elongated
$1,692.47
as of 11/03/2026 22:15 PST - DetailsProduct details
Pros+Round bowl fits compact bathrooms
+1.6 GPF flush is a standard water use
+Comes as a 5-piece bundle in white
Cons−Round bowl offers less seat room than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Los Flexi
Round, Dual flush, 1.5 to 1.6 GPF
+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
$419.99
as of 11/04/2026 01:36 PST - DetailsProduct details
About this product
Homlylink
One-piece, Round, Dual flush, 1.5 to 1.6 GPF
+Compact 19 inch footprint suits small bathrooms
+One-piece design has no seam between tank and bowl
+Dual flush offers 1.1 and 1.6 GPF options
−Round bowl offers less seating room than elongated
$319.68
as of 11/03/2026 23:26 PST - DetailsProduct details
Pros+Compact 19 inch footprint suits small bathrooms
+One-piece design has no seam between tank and bowl
+Dual flush offers 1.1 and 1.6 GPF options
+Chair height eases sitting and standing
Cons−Round bowl offers less seating room than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Proflo
Two-piece, Round, 1.5 to 1.6 GPF, Chair height
+Chair height for easier sitting and standing
+Compact round bowl for smaller bathrooms
+ADA compliant design
−Round bowl offers less seating space than elongated
$241.59
as of 11/04/2026 00:45 PST - DetailsProduct details
Pros+Chair height for easier sitting and standing
+Compact round bowl for smaller bathrooms
+ADA compliant design
+Left hand lever flush
Cons−Round bowl offers less seating space than elongated
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Mansfield Plumbing
Round, 1.5 to 1.6 GPF
+Pressure-assist flush provides strong flushing power
+Round front bowl suits compact bathrooms with limited space
+Rated at 1.5 to 1.6 GPF for efficient water use
No price recorded yet.
Product details
Pros+Pressure-assist flush provides strong flushing power
+Round front bowl suits compact bathrooms with limited space
+Rated at 1.5 to 1.6 GPF for efficient water use
Compared with the 12 toilets on this page+1.5 to 1.6 GPF: the lowest gallons per flush of the 67 here
How pros and cons are picked (About: Disclaimer) About this product
Kohler 43658-0 Highline® Two-piece round-front toilet, 1.6 gpf, WhiteNo current price. Check it at the store.View on Amazon
