This dryer exists for people who literally cannot install a vented model, apartment dwellers, closet stackers, anyone without access to an exterior wall. It does dry clothes without a vent, uses half the electricity, and runs quiet, but you pay for that flexibility with 90-minute cycles, bedding that tangles into damp wads, and three separate filters to clean every week. The control board can fail and run the drum nonstop for days until you physically unplug it, and some units develop odors that never go away. Buy it only if your living situation leaves no other option and you accept the maintenance burden as the cost of doing laundry at home.
This is the dryer equivalent of a cast-iron skillet: unglamorous, built around a mechanical core that's been working since before the internet, and likely to outlast fancier alternatives. Cycles take longer than premium models and you get no heat pump efficiency or specialty modes, but the simplicity cuts both ways, fewer electronics mean fewer expensive board failures, and when something does wear out (usually a belt or door gasket after a decade), parts cost under $50 and most owners can swap them in an afternoon. Buy it if you value a 10+ year lifespan and hate service calls; skip it if you're chasing speed or energy savings.