InfuserRoom for leavesBest forDownside
Basket infuserRoomy — leaves open fullyLoose leaf, everyday — the defaultBulkier; rinse after each use
Built-in-basket mug or potRoomy, all-in-oneDesk and home brewingTied to that one vessel
Tea ball / clipCrampedSmall-leaf single cups onlyWeak brew with big leaves
Paper filter bagsRoomy but disposableOccasional use, zero cleanupOngoing cost; waste