Broad Compatible with shower filter models SF400 & SF500. For use with corresponding replacement cartridges to help maintain cleaner water flow. Effective Sediment Capture Helps effectively capture dust,sand,and other suspended particles from water,supporting a gentler shower experience for skin and hair. Easy to Install & Maintain No tools needed—simply place the pad into your filter housing. Can be rinsed and reused multiple times for continued use. Suggested Care For optimal performance,we recommend rinsing the sediment pad every 2–4 weeks,or replacing as needed based on your local water conditions. Long-Lasting Supply – 30 Pack Provides a convenient,extended stock of replacement pads. Offers a cost-effective solution to help maintain shower filter function over time..