A: I don't know. Check with the manufacturer or seller.
A: Thank you for your interest in Glacier Bay. This toilet seat is manufactured in China.
A: Not sure, but I would buy something else ! Not a smooth seat, and did not last very long...
A: 14.5"wide (side to side) x 15.5"long (front to back)
A: Thank you for your interest in Glacier Bay. This toilet seat measures 14 9/16 wide by 16 11/32 deep.
A: 14 BY 14
A: It fit perfectly,love it
A: It has not been tested, but it appears this seat will work on the N2428R with no issues.