Eufy 30c MAX has a larger filter, and this replacement kit is too short. The brushes and rollers fit the 30c MAX model. I think it's a good buy but DLD needs to be upgraded (not suitable) to include 30c MAX mode as 30c Max has bigger HEPA filter. And I'm curious if the supplied foam "rod" prevents full SUCTION. But it's a great idea and I'm going to stick it on my 30c MAX HEPA filter. I cleaned the HEPA filter every day. funny greetings