The Aeropress coffee maker has parts that can be misplaced, so we reached out to Aeropress Inc and asked if we can sell their original part instead of an after market part. This replacement part comes directly from Aeropress in Palo Alto and is packaged for re-resale by Barista Lab. So you can be sure——Replacement filter cap for Aerobie Aeropress coffee makerSame size, color, and material as the original part, because it IS the original part!Guaranteed to fit Aerobie AeropressBPA-Free Polypropylene PlasticThis is an original genuine part direct