Usage Tips:[Removes]This Ceramic Filter Removes up to of following contaminates: 99% of Arsenic Taste, Odor & particles larger than 0.3 micron; 98% of Aluminum, Lead & particles larger than 0.2 micron; 96% of Iron. TRAPS: dirt, sediment, contaminants, debris. [Compatible Models]Replacement Ceramic Filters for all Gravity Water Filter System of other brands and Water Filtration systems both countertop and water cooler models. [Size&Life]The Ceramic Filters effortlessly purify water for about 1-4 people each day. The service life of 2 pack ceramic filters is 1 year or 1000 gallons,Proper cleaning of the filter element can reduce secondary pollution and prolong the service life of the filter element. [Effective & Economical Choice]Affordable choice. Excellent quality.You can save money and enjoy clean refreshing water. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:Ceramic + Plastic Package Contents: 4pack x ceramic filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.