51mm Bottomless Portafilter Compatible with 3-Year SUMSATY Espresso Machines (4mm Prong Thickness)

[Compatible Models] This 51mm 3-lug portafilter is compatible with SUMSATY, RELEXNOW espresso machines (20-bar), and other 51mm 3-lug portafilters with lug thicknesses of 3.88-4mm. [Filter Basket Included] A stainless steel 51mm filter basket is included and can hold 16 grams. [Channeling Correction] The bottomless design allows you to observe the flow column, flow rate, color, and flow column stripes to find defects and errors before extraction and better judge the uniformity of the extraction. [304 Food-Grade Stainless Steel] The bottomless portafilter is made of food-grade stainless steel, which is environmentally friendly, non-toxic, more hygienic, safe, oxidation-resistant, corrosion-resistant, rust-resistant, and durable. [Detachable and Easy to Clean] - The detachable design allows for convenient and quick disassembly, making it easy to use, eliminate blind spots, and clean.