1, This product can intercept the large particle impurities in the water, and prevent the suction of sundries when the water pump is absorbing water. It is suitable for the inflow end of free self suction water purifier. 2, The flow is large and it does not affect the water supply of the self suction pump. 3, Innovative design, full of automatic cleaning particles,and when water is absorbed, it automatically rolls up to prevent clogging. 4, Long service life, corrosion resistance and aging. Model: No.3 Head / Large No.3 Head / No.2 Head / Large No.2 Head Material:plastic colour:White<br><br>Package Contents: 1 * Water purifier pre-filter Only the above package content, other products are not included. Note: Light shooting 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.