Roborock H7 - What does the gray filter on top of the red secondary separator do, and can it be washed?; What is the cover that can be twisted and removed from the top of the vacuum cleaner, and can it be washed?

8. Q: What does the gray filter on top of the red
secondary separator do, and can it be washed?
A: The gray circular filter is the vacuum cleaner's pre-filter. It is used to block fine dust
which passed through the secondary separation filter system. It is recommended that you
wash it once a month with tap water and dry it before reinstalling to ensure the best
performance of the vacuum cleaner.
9. Q: What is the cover that can be twisted and
removed from the top of the vacuum cleaner, and can
it be washed?
A: It is the vacuum cleaner's rear HEPA filter which can filter dust as small as 0.3
micrometers. It is recommended that you wash it once a month with tap water and dry it
before reinstalling to ensure the best performance of the vacuum cleaner.
10. Q: What does the sliding button on the bottom of
the vacuum cleaner do?
A: It is the vacuum cleaner's dust bin release button. Pull the button in the direction of the
arrow to remove the transparent dust bin for cleaning.
11. Q: Is it normal to have scratches on the body of
the machine and brush head after use?
A: As small scratches and minor collisions occur inevitably during usage, it is normal to
have such marks. Product performance will not be affected.
12. Q: What is the weight of the vacuum cleaner?
A: The main unit weighs around 1.46kg, while the extension tube and floor brush weigh
around 1kg.
The total weight of the package (overseas version) is 7.8kg.