Proprietary toilet seats are unique to specific toilets. They will only fit on toilets that require a unique seat and are not compatible with round front or elongated toilet seats.
Listed below are the links to the manufacturers' proprietary seats:
If you cannot find what you're looking for, please feel free to ask us! We have a wide range of items available and will be happy to add them to our store inventory for you.
All OEM numbers are used for reference purposes only.