40B 40S Shaver Foil Cutter Head Cassette For Braun CoolTec CT2s CT2cc CT4s CT6cc | eBay
BRAUN CoolTec Men's Solo Electric Shaver - Newegg.com
Original Braun Cooltec 40b Razor Blade Foil & Cutter Replacement Head Cassettes Compatible With Cooltec Electric Shaver - Electric Shavers - AliExpress