4Pcs RC Car Air Filter Cotton Replacement for 1/8th Size Outer Foam Air Filter

Application: This is a full foam set which will fit most 1/8th size air filters. Function: It consists of a two piece set with a coarse foam outer layer to catch larger particles, and a fine foam inner for superior filtration of small particles, leaving your engine free to breathe easily. Material: RC car air filter cotton is made of sponge, which can effectively filter, has a long service life. Package includes 2pcs inner foam air filter, 2pcs outer foam air filter. Note: Please refer to the size of the sponge before purchasing. Inner Foam Length 38mm Inner Foam Inner Diameter 12mm Inner Foam Outer Diamter 32mm Outer Foam Length 38mm Outer Foam Inner Diameter 35mm Outer Foam Outer Diameter 45mm Material Foam Colour White Type Foam Ai.