My postmaster is constantly being overflowed by rare weapons. It’s annoying to separately dismantle them. A filter is definitely needed
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#destiny2
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And this is why you go to the tower after every activity. If that's too much for you - you can use Ishtar and transfer most items to the vault temporarily before dismantling. The consumables though, which I can't get rid of are the only ones I leave in my postmaster until I find a reason to use them