Replacement filter elements for filter shower head, The mineral stone of the Stone Flow filter shower can also be replaced with PP polypropylene cotton filter Absorb dirt, dust and other harmful substances in the, remove impurities in the shower and monitor the quality of the Easy to install, compatible with a variety of detachable shower heads, just twist the lower part of the body and put the cotton filter. If the shower is relatively short, you can also unplug the blue cover on the cotton filter elements and install it at the shower inlet. It is recommended to change it every 4 to 6 weeks depending on the quality of the Material: PP Color: White Package Contents: 24 x Filter Elements Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.