Vileda Professional 120779 Sieve for Pre-Prepared BoxVileda Professional 120779 Pre Prepared Mop Box Sieve Used with Pre Prepared Box 120774. Also use with Hybrid Trolley 143774. Highest performance for the best contamination control Product Benefits Fits on top of the Pre Prepared Mop Box for dosing mops on and off trolleys Pierced with holes to ensure even dosing of mops Autoclavable Description Size Art. no Case Packs case Pieces pack Sieve for Pre Prepared Box (not pictured) 16 x 12 x 5 in 120779 3 1