Ruostumaton teräs esisuodatin

The mesh is fine enough that I can see it catching dust and pet hair just by glancing at the front of the unit, which means less buildup on the main filter. It takes seconds to rinse off in the sink and pop back in, so the extra maintenance is basically nothing.

I was skeptical it would make a difference, but the stainless steel mesh catches so much dust and pet hair that I can see the difference when I rinse it off. It takes thirty seconds to clean and snaps back in, so my main filter stays fresher much longer.

I was worried about dust buildup shortening the main filter's life, but this pre-filter catches everything from pet fur to lint before it gets there. It rinses clean under the tap in seconds, so maintenance is genuinely no hassle.