Pre-Motor Filter for Shark BU3521UK IW1511UK IW3510UK IW3611UKT Handheld Vacuum
IW1511UK, IW3510UK, IW3611UKT, BU3521UK. This Reliapart Pre-Motor Filter is compatible with the Shark BU3521UK handheld vacuum cleaner, designed to help maintain powerful suction and reduce wear on your vacuum’s motor.