Compatible with DEEBOT X1 OMNI/X1 TURBO/T20 OMNI Effectively remove stubborn stains, cover the edges and corners. The area of washable mop is increased by 12%, which can effectively lock the water and greatly improve the floor coverage. Clean and no residue: three-layer structure design, efficient dust, long-term water lock. Environmental-friendly and durable: pads can be washed back automatically, be recyclable. Recommended replacement frequency: 1-2 months Suitable for the folllowing Ecovacs Models: X1 Turbo X1 Omni T20 X2 Omni