Philips For HQ6900-6999 Shaving head retaining frame, Gray, HQ6900, HQ6921, HQ6922, HQ6940, HQ6941, HQ6942, HQ6950, HQ6970, HQ6990, 6940LC Philips For HQ6900-6999 Shaving head retaining frame. Product color: Gray, Compatibility: HQ6900, HQ6921, HQ6922, HQ6940, HQ6941, HQ6942, HQ6950, HQ6970, HQ6990, 6940LC