Features

• Sturdy and Solid Build.

• Perfect Fitting (modify till it fits perfectly for your grinder).

• Lid Locking Mechanism.

• Air Leak Prevention Mechanism.

• Compact and Sleek Design.

• Tested and Refined.

Blow out coffee ground stuck inside grinder (grinder retention) after each grind. Make better coffee with Zero Retention #1 Best Choice Single Dose Bellows.

NOTICE

Starting from October 2021, our rubber bellows part will no longer be 3D printed. It is now replaced by our newly upgraded custom branded factory moulded silicone version.

Manufacturing Method:

• 3D Print:

  • Lid

  • Lid Lock Ring

  • Connector

  • Air Leak Prevention Gasket

• Factory Machine Moulded:

  • Silicone Bellows

Materials:

• Hard Plastic: PLA – Material Info: https://felfil.com/pla-filament-for-3d-printing-learning-about-plastic-materials

• Air Leak Prevention Gasket: TPU – Material Info: https://felfil.com/tpu-filament-for-3d-printing-learning-about-plastic-materials

• Bellows: Silicone

Who is this product for? This product is for people who are looking for:

• Bentwood Vertical Single Dose Hopper

• Bentwood Vertical Single Dose Bellow

• Bentwood Vertical Single Dose Blower

• Bentwood Vertical Zero Retention Bellow

• Bentwood Vertical Zero Retention Blower