French Press Filter Screen is used for separating grounds from coffee in a French press plunger with a spring-edged mesh disc that seals against the carafe wall. FDA 21 CFR is the reference cited for it on drawings, datasheets and purchase orders.
What FDA 21 CFR Means for French Press Filter Screen
The dimensions in the table below are supplied to suit FDA 21 CFR. Where the standard sets requirements for the finished appliance, device or system, compliance testing of that assembly stays with its manufacturer; we supply the metal mesh part to the drawing and can provide material certificates and dimensional reports with the shipment.
French Press Filter Screen Dimensions
| Size | Diameter (mm) | Mesh | Micron rating (u00b5m) | Spring | Center hole (mm) |
|---|---|---|---|---|---|
| 3 cup / 350 ml | 76 | 100-Mesh | 154 | Coil spring rim | 4.0 |
| 8 cup / 1 L | 95 | 100-Mesh | 154 | Coil spring rim | 4.0 |
| 12 cup / 1.5 L | 105 | 120-Mesh | 122 | Coil spring rim | 4.5 |
Specifying French Press Filter Screen Beyond the Standard
- Diameter: Measure the carafe inner diameter; the spring rim must press lightly against the wall.
- Mesh: 100-mesh is the standard; 120-mesh gives a cleaner cup at a slower plunge.
- Center hole: Match the rod and nut diameter of the plunger assembly.
When French Press Filter Screen Is Not the Right Choice
Not for espresso-fine grinds or for cold brew steeping over many hours, where a cartridge filter works better.
