Replacement Water Filter Core for Bathroom in Line Shower Head Water Softener Purifier Features: A replacement shower head water filter core with ultra high molecular weight PE membrane filtration.  Can help to remove chlorine, rust, red worms, sediment, etc, making water purer and softer.  Improve peoples' skin and hair condition, boost metabolism and relax yourself with healthy water. High effectively remove unpleasant color and smell in water. Easy to install on the shower head joint, water valve or near the water tap. Specifications: Condition: Material: PP cotton Color: White Size: Approx. 5 * 6cm / 1.96'' * 2.36'' Weight: Approx. 42g Package Included: 1 * Shower Water Filter Core Note: Please note that the filter core will become colored after long time use because of normal filtration, so that you'd better replace the core during 3-5 months service time and you can also choose to replace it according to the concrete water quality and quantity.