John Gill Commentary Exodus 35:16

"the altar of burnt-offering, with its grating of brass, it staves, and all its vessels, the laver and its base;" — Exodus 35:16 (ASV)

The altar of burnt offering with its brazen grate, its
staves, and all its vessels
Of which see (Exodus 27:1–8)

the laver and its foot ;
Aben Ezra here observes that it had no staves, and conjectures it was carried in wagons when removed.