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2 X Breville 58mm Single & Dual Wall Filter Baskets (2-Cup Filters) | eBay
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BREVILLE TWO CUP DUAL WALL 54MM FILTER
Converted my $10 Breville 2 cup 54mm double wall (pressurized) filter to single wall (non pressurized) filter since everywhere was out of stock or $50+. Now I just need to test it
Sage 1 Cup Dual Wall Coffee Filter Basket for The Dual Boiler 58 mm - Crema