MacMaxe 54mm Two Cup - Single Wall Filter Basket - 18/20 gr - Non-Pressurized - Compatible with SAGE 500/810/870/875/878/880 and Breville 870/860/840/810/450/500/878/880 : Amazon.co.uk: Home & Kitchen
Sage Filter Basket Spares For Models SP0001518/SP0001519/SP0001521/SP0001520 | eBay
Pressurised vs Non-Pressurised Baskets — Guide 2 Coffee