Best Buy: KX-TGFA30S DECT 6.0 Cordless Expansion Handset for Panasonic KX-TGF375S Expandable Phone Systems Silver KX-TGFA30S
Panasonic - Parts and Accessories - Cordless telephone handset Guide. - Use this guide to look up handsets compatible to your telephone and where to purchase.
Panasonic KX-TGFA30EM Additional Cordless Telephone for KX-TGF320 - Black : Amazon.co.uk: Electronics & Photo