The inner diameter of the Non-pressurized Porous Filter Basket is 58mm, which is generally applicable to for 58mm Bottomless Portafilter. BUT some 58mm Portafilter of original standard may not be deep enough to insert the Filter Basket. It is strongly recommended that you carefully measure the inner diameter and depth of for your Portafilter before purchasing.
The product made of stainless steel is safe. It is very easy to clean and convenient to use for the next time. The product is slightly magnetic, allowed to connect to magnetic Dosing Funnel.
Please read the product information carefully before buying, thank you!

Colour: silver
Material: stainless steel

Package Contents:
1 x Single cup
1 x double cup
1 x Blind Cup
2 x Brush