MATOW Reusable Silicone Boot and Shoe Covers Size:Large 8.5 - 12.5 US This is not a defect

This is not a defect of the portafilter itself

will result in much more consistent dosing weights

you only need to rotate the distributor

Our dosing funnels by MATOW are specifically designed to help eliminate the overflow of coffee grinds while dosing into your portafilter

Barista Touch

MATOW Reusable Silicone Boot and Shoe Covers Size:Large 8.5 - 12.5 US This is not a defectAbout This Item Durable & Non Slip This shoe & boot cover made of 100% premium non toxic silicone rubber, which ensures durability for use and environmental protection. Shoe cover is also equipped with particular tread mechanism for preventing sole slipping. Multi Resistance & Use Great use for this shoe cover is avoiding wet shoes or foot in rainy, slush, or snow days, which also can protect them against salt & dirt. Great for motorcycle riding,