What does RDM mean?

[Donald]

Question: I am searching for a new RDM. I see on your website that you have them listed. Do you have any for sale? Thank you. Jeffrey

ANSWER: I hope you mean RDM as Rotary Dri Masters.
Two styles available
Visit

http://www.steam-brite.com/store/advanced_search_result.php?keywords=hydramaster+CMX

If RDM means something else, please let me know.