No, this is not for UD20210. The one you need is not available anymore.
EZvacuum Support answered on June 30, 2022
HURRY! HURRY! HURRY! OFFER ENDS TONITE!
10% OFF ON ORDERS of Bags, Belts & Filters over $45. Use Coupon SAVE10
excludes machines, motors, clearance items, Dyson, Shark, Cirrus
Free Shipping on all US Ground orders
Cheaper than Your Local Store plus *Free US Ground Shipping.
Disclaimer: EZvacuum is not an authorized Miele Dealer. EZvacuum is not an authorized SEBO Dealer. We are in no way affiliated with, representing, associated, or sponsored by Miele, SEBO, Hoover, Panasonic, Bissell, Bosch, Aerus, Shop-Vac any other manufacturer name brands or their copyrighted product unless otherwise mentioned on the brand page. All brand names, trademarks and logos are the property of their respective trademark and copyright owners. By continuing to enter this Site, you are expressly and impliedly agreeing to all terms in the disclaimer.