2Pcs 20 Stage Shower Filter Replacement Cartridge, Shower Head Filter Refill for Hard Water Chlorine Heavy Metal, Fit Any Similar Design Shower Water Filter

[Universal Compatibility] -This 20-stage filter cartridge features a universal size that is compatible with any shower filter housing of a similar design (for example, compatible with 10, 12, 15, 17, 18, 20-stage, or multi-stage filter housings). [2pcs Filter Cartridges] -Including 2pcs shower filter cartridges. Each cartridge can last approximately 6 months or 12,000 gallons of water, depending on your local water quality and usage frequency. [Healthy Shower]- Water filtered through our filter cartridges can nourish and protect the skin, suitable for sensitive people. Note: Please run water for 5-10 minutes for the first time to remove accumulated carbon dust. [Multi-Stage Filtration] -Our filter features 20 stages of filtration, effectively reducing impurities in water and helping to repair skin issues while restoring shine to hair. [Easy Installation]- Simply unscrew your shower filter head, pop out the old cartridge and pop in this shower filter cartridge. No tools required, easy replacement.