time, soap residue, toothpaste, or debris can collect inside the narrow passage.
If ignored, this buildup may cause odors or reduce effectiveness. Fortunately, maintenance is simple. A small cleaning brush and warm water are usually enough to clear out residue and keep the system functioning properly.
It’s a reminder that some of the most important protective features in a home are also the least noticeable.
That tiny opening isn’t decorative.
It’s thoughtful engineering—working quietly every day to protect your space from preventable damage.
