Add luxury to your bathroom with this TOTO Entrada Two-Piece Toilet with Round Bowl. Seat Not Included. TOTO Soft Close Cotton Seat: $65.00. With a 1.28 GPF (Gallon Per Flush), you’ll love this high efficiency toilet for your bathroom. This technologically-advanced system is saving you 35% more water than the standard 1.6 GPF! We have a limited supply so get yours today at Builder Supply Outlet.