Pressurized Filter (Amateur):Double Wall filters to increase the pressure and regulate the rate of extracted water. This is recommended for people who use crushed coffee or first-time manual extractor users....

Material: Silicon O-ring*3 Shower Screen Seal*1      

Material: Tritan from Eastman Cylinder*1    

Leverpresso bundle set : - Cylinder *1 - Piston - Porta-filter - Bolts (3 pairs) - 3 O-ring  - Shower Screen Seal      

Shower Screen: -ShowerScreen*1 -Sealing*1

Material: Tritan from Eastman Pistion*1 Portafilter*1