filter mesh,precision is up to 40 to 60 micrometerUnique swivel sludge scraper design,no need to disassemble,instantaneous cleaningEffectively remove limescale,thermonatrite,plankton,alga,rust,sand grain and other particulate matter from waterCan be install on - of home main water pipe,purify your whole household water.Also can be installed on the of washing machine or water purification system to their lifespanWorking pressure: 0.1-0.4MpaFiltration accuracy:0.005mmbuilt-in pp filterColour:white+blueMaterial:plasticSize:about 101mmPackage Contents:5 x filterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.