Apply a small amount of baby oil to each screen after installing the new blade and let the razor run for 10 seconds. Following these instructions will assist in maintaining the razor's performance.
HQ69xx, 69xx, AT620 (Shaver series 1000) and also compatible with Philips Norelco models: 31DB, 6423, 6613, 6424LC, 6843, 6853, 6863, 6900 series
If you have any questions about this product, please contact our customer service and we will solve any problems within 24 hours.
These High precision quality blades are of TYZEST manufacture ,and are not manufactured by or affiliated with Philips Norelco.Head replacement recommended annually