– 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.