Oates Duraclean Mop Bucket Mark II The Oates Duraclean Mop Bucket Mark II is a heavy duty rust proof wringer bucket with a castor mount for ease of movement. Duraclean mops come in a range of colours, including red, blue, green and yellow, so that cleaning areas can be colour coded to avoid cross contamination. We also stock a range of coloured Duraclean mops.