Replacement part numbers: 4151750, 554358, WP4151750, AP6009134 and PS11742279. Material: Filter cotton is made of high quality activated carbon, which can effectively absorb odors. Function: Waste filter cotton can improve the air quality of the kitchen and help reduce the unpleasant smell of garbage. Tip: To access the filter, press the food pedal on the garbage and pull the door forward. The plate covering the filter can be lifted without tools. Installation: Easy to install, easy to replace. Colour:Black Material:Activated carbon cotton Package Contents: 4 * WP4151750 Trash Charcoal Air Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.