Replacement filter elements for filtering showerheads, 10 pcs/set. The mineral stone in the stone flow filter shower can also be replaced with this PP polypropylene cotton filter. It absorbs dirt, dust, and other harmful substances in the water, removing impurities from shower water and monitoring water quality. Easy to install, compatible with a variety of detachable showerheads. Simply twist the lower body and insert the filter cotton. If your showerhead is relatively short, you can also detach the blue cover of the filter element cotton and install it at the shower inlet. It is recommended to replace it every 4-6 weeks depending on water quality. Color: White Material: PP Package Contents: 10 * Filter Elements Only the above package content is included; other products are not. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.