specifications: material:PP Color: white + blue Working pressure: 0 Filtration accuracy: 0 built-in pp filter out Length 102 diameter forty seven mm Package Contents: 5 * water air purifier filter Only the above kit content, varied merchandise will not be included. Note: Light taking pictures and various reveals can cause the color of the item within the photograph somewhat diverse from the real thing. The dimension allowed error is +/- 1-3cm.