12 pieces replacement air filter sponge for compressor system accessories. Features: Easy to replace: The air filter sponges are easy to replace, which just takes several minutes. Remove the dirty air filter sponge and clean the air input port, put the new sponge and then cover the cap. We offer you enough quantity and the sponge replacements are safe to use. Practical and convenient: The white replacement air filter sponge can be compatible with most standard compressors. Recommend to replace regularly in order maintain the performance and extend the life span of your machines. Specification: Color: white Material: sponge Diameter: 0.59 inches Height: 0.35 inches Package included: 12 x Replacement air filter sponge Note: Please allow slight size error due to manual measurement.