Ink, Toner & Inkjet Cartridges
Philips MF-Jet 450 and 495 Ink Cartridge Black Ref PFA531
Black Toner cartridge for Philips fax machines MF-Jet 450 and MF-Jet 495
https://www.bizrate.co.uk/inktoner_inkjetcartridges/philips-mf-jet-450-and-495-oid30989396710.html