Niagara N7714DF Left handed Kohler K4509 tank

Kohler K4509 tank

Model:  1

Toilet: Glacier Bay McClure Dual Flush 1 Piece High Efficiency Toilet

Maybe be stamped PM300 which is used for several different Mansfield models with different lids

Niagara N7714DF Left handed Kohler K4509 tankManufacturer: Niagara Lid P N: N7714DF Lid Size: 18. 5" x 9" Tank P N: Tank Size: 17. 75" x 8. 75" Note, this item was made with and without pushbutton holes in the tank lid. This version is the one with the hole for the pushbutton in it. It does not include the pushbutton. Pushbutton is available separately under related items. To complicate things further, they made two versions of this lid with holes. One is for a toilet with a single button, and