3pcs Replacement Head for Philips Norelco Series 5000 Shavers, SH50/52, SH50 /50 for PowerTouch (PT8, PT7_), AquaTouch (AT8,AT7) - AliExpress
Amazon.com: SH50 Replacement Heads compatible with Philips Norelco Electric Shaver Razor Series 5000(S5xxx), AquaTouch (S5xxx), PowerTouch (PT8xx, PT7xx), OEM SH50/52 MultiPrecision Shavers Blades : Beauty & Personal Care
Amazon.com: Philips Norelco Genuine SH50/52 Shaving Heads Compatible with Norelco Shaver Series 5000 Rounded and 6000, Latest Version for Refreshed HQ9/50, HQ56/50, and RQ11/50 : Beauty & Personal Care
SH50/52 Shaver Replacement Heads for Philips Norelco Series 5000 and AquaTouch Shavers - AliExpress
Amazon.com: Philips Replacement Shaver Blades for Shaver Series 5000, SH50/53 : Beauty & Personal Care
Philips SH50/50 Replacement Blades for Series 5000 Electric Shavers - Walmart.com
3pcs Replacement Shaver Head Shaver Cutter Alternate Blade Head Washable Blade Head For Philips Norelco Sh 50/51/52 Hq8 - Razor Blades - AliExpress