Yellow cotton breaks down the sebum and dirt on the tiles, while white cotton traps the stains.
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When the cotton becomes black and hard, its time to replace.Discard cotton if it gets dirty without washing.
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(Specifications) Set Includes: 6 x 12 x Cleaning Bulbs (Yellow), 6 x 12 x Suction Bulbs (White) Size: Approximately 2.4 inches (6 Material: PP
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