Ideal for contoured surfaces, Foam Tacky Roller Mops are perfect for removing particulate matter from the cleanroom. The tacky surface removes contamination from walls, floors and ceilings for a more convenient and time saving option vs traditional wet mopping. Refill roll consists of 18” x 14.25” perforated foam sheets that can be removed to expose the next sheet. 20 sheets per roll. Fits 18” roller handle sold separately.