this product is broadly utilized to the sintered filter out points of industry for filtering rust,mud sand and varied impurities within the water,having immoderate porosity ratio ,high water output and nice filtering effect. adopeted new -generation calcium chlorite filteringmaterial can completely eliminate residual chorine in the water. Dismanting ,Installing and Cleaning:open the bottom conceal of water puifier, use a slim hand object (such as chopstick)to push out clear out element. then clear it with toothbrush, scouring pad etc. or sock it in the boiled water. Specification: Material: PE film calcium sulfite Suitable Temperature: 0~100 levels Bigger Head Diameter:2 CM Smaller Head Diameter:1 Size: 8x6x6cm Weight:119g Package Contents: 1 X Household filters 1 X filter out 1 X box Note: Light and diversified reveals could cause the colour of the object in the photograph a bit diverse from the real thing. The size allowed error is +/- 1-3cm.