-The mop replacements are compatible with Bissell PowerFresh 1940 1440 1544 Series, Model 19402, 19404, 19408, 1940A, 1940Q, 1940T, 1940W. -EASY TO INSTALL so you can get back to cleaning as soon as possible! Simply attach and remove when dirty,When your pads are dirty from use, just toss in the washing machine with no fabric softener and let them air dry until you need them again. Make sure they are dry before re-installing. -HIGH QUALITY STEAM PADS which are washable and reusable. You will have clean floors again by using them! - Mop Pads Set: Includes 2 types of pads to fit your cleaning needs, 3 of soft microfiber mop pads for everyday cleaning; 3 of soft microfiber mop pads with scrubbing strips for tough, dirty, stickier stuff.- Reusable and durable thick cleaning pads. Please make sure they are dry before re-installing.- MACHINE WASHABLE: mop pads are easy to clean by washing machine.