Advanced 3 stage filtration effectively removes most chlorine, organic microscopic toxins, and dangerous chemicals, heavy metals, and improves taste. A remarkably simple to use filter that fits onto your kitchen or bathroom tap. It is economical and scientifically tested. Has a built-in selector switch to switch between filtered and unfiltered water to extend the filters life. Save money on bottled water! Filtered water enhances the flavour of cooked meals, tea, coffee, and soups. Essential for children and pets!