【PP COTTON MATERIAL】These shower hose filter cartridges are made of PP cotton material, which is environmentally friendly, serviceable, corrosion-resistant and of high quality. 【EFFECTIVELY FILTER IMPURITIES】These shower filter head elements effectively filters contaminants, rust, limescale and other impurities running through old water pipes, keeping your shower water clean and fresh. 【TAKE CARE of YOUR BODY】Filter shower head is safer and healthier, reduces dryness and itching, leaves your skin and hair smoother and softer, and keeps your oil glands balanced. Even children can use it. 【CONVENIENT and PRACTICAL】You can easily install it without other tools, it can bring you convenience, save time and energy effectively, and it is a practical accessory for your bathroom shower. 【REPLACEMENT FREQUENCY】The frequency of aquabliss shower filter replacement varies depending on the quality of your local tap water. When you find that the filter element turns yellow or the shower flow is significantly reduced, replace the filter element. We recommend that you regularly remove the filter element for flushing to prolong its service life.