Hi, Gerard!
Thank you for your question. Any of our roman tub handles that start with 'H6' will work for the Delta Roman Tub handles. Here is a link to the Maintenance and Instruction Sheet to show the handle sets:
https://media.deltafaucet.com/MandI/X00038266_B.pdf
Best Regards,
Rosanna
Answered by: Delta Faucet
Date published: 2019-10-29