Amazon.com: SH30 Replacement Heads for Philips Norelco Shaver Series 3000, 2000, 1000 and S738 with Durable Sharp Blade, Comfortcut Replacement Razor Blades for Philips Norelco S1560, SH30 Philips Head : Beauty & Personal Care
Philips Norelco Replacement Shaver Head for Series 9000, SH90/62 - Walmart.com
Philips Shaver Series 7000, 5000 Shaving Heads, SteelPrecision Blades Fits All S7000; Fits Angular-Shaped S5000; Not Compatible w/Older S5000 - SH71/50 - Walmart.com