High-density Filter Cotton: PP cotton filter element, with excellent filtering performance, can effectively remove chlorine, fluoride, heavy metals, rust and sediment in shower water; Easy To Replace: No special tools or skills are required. Just rotate the interface to remove the old filter and install the new filter; Replacement Frequency: According to the local water quality, it is recommended to replace the filter every 4-6 weeks. If the filter turns yellow or the water flow is significantly reduced, please replace it in time. Purify Shower Water: The filtration system will provide you with ideal water for shower, making your skin and hair softer and cleaner; Easy To Clean: The filter cotton core can be removed regularly for direct flushing, which can extend the service life., Manufacturer: DONGKER