Amazon.com: 31B Shaver Head Cassette & Cutter 5000/6000 series Replacement for Braun Flex XP and 5000 Series: 5503, 5504, 5505,5506, 5507, 5510, 5515, 5520, 5525, 5550 : Beauty & Personal Care
Amazon.com: 31B 31S 6012, 6015 Shaver Shear Head Cassette & Cutter w/Plastic Sealed Packaging Replacement for Braun Flex XP and 5000 Series: 5503, 5504, 5505,5506, 5507, 5510, 5515, 5520, 5525, 5550 : Beauty & Personal Care
51B Shaver Foil & Blade for Series 5 ContourPro Complete Activator 8000 Series Fit WF1S WF2S 530 550 590 5760 5758 - Walmart.com