HQ9 Replacement Heads Compatible with Philipss Norelco Shaver Speedxl Series 8240XL 8140XL 8150XL 8160XL 8170XL, 8100 Series, 8200 Series, 9100 Series and PT/AT900 Compatible Series---HQ9 replacement heads are compatible with Philipps SpeedXL HQ9 shaver models: ALL SmartTouch-XL and Speed-XL shavers including: 9199XL, 9195XL, 9190XL, 9170XLCC, 9160XL, 8240XL, 8250XL, 8251XL, 8260XL, 8260XLCC, 8270XL, 8270XLCC, 8170XL, 8171XL, 8175XL, 8280XL, 8160XLCC 8151XL, 8150XL, 8140XL, 8138XL. 3 Shaving Tracks--Heads working with 3 shaving tracks cover 50% more skin area both for a close and fast shave.Each rotating blade has 3 circular cutting services and these really deliver a great shave. EASY TO REPLACEReplace your blades in just a few steps. Please replace your shaver parts every 12 months to maintain peak performance. High quality HQ9 washable replacement bladeEasy to install and remove. Clean the shaver before installing it. Additionally, the rq11 blades feature dual wet and dry shaving technology, they will shave your beard cleanly even when you are not using foam.