Replacement filter for your pool vacuum robot:Filters the floating particles up to 50 microns from the pool water, For clean and crystal clear pool water Replacement for MeranusPower 4,For direct insertion into the filter basket of the vacuum cleaner - easy filter change. Carefully materials for maximum filter performance Color: Material: Polyethylene Package Contents: 4 x filter pads 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.