The replacement parts kit suitable for Xiaomi Roborock S5 S51 S55 T61 vacuum cleaner WATER TANK FILTER: Seal ring for zero side leakage, impurities filtered out for purer water, and the water seepage will maintain the same speed till the last drop to use many times, can be machine washing or hand washing EASY TO USE: Add mild cleaning solution and water to the tank, tightly closed lid Dampen the mop cloth and press onto the Nylon Sticker strips, then mounted on the robot back to wipe dirt, oil and grime from the floor COMPATIBLE MODUEL:Fit for Xiaomi Roborock S50 S51 S55 S6 T60 T61 2nd generation vacuum cleaner Size:Reservoir: Approx 12 5 x 4 7 inMops: Approx 11 35 x 4 4 inWater Tank Filter: Approx 0 6 incolour:Photo Color Material:plastic Package Contents:1 x Water Tank2 x Mop Clothes12 x Water Tank Filter1 x Clean BrushKINDLY NOTE:1, Remove the water tank while charging 2, To keep your vacuum cleaner operating at the peak performance, please change vacuum attachment every 1-3 months 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