E B Lab, By Ims Competition Moka Filter (6 Cup) E B Lab, by IMS Competition Moka filter and gasket kit. Compatible with Bialetti 6 cup and other Moka coffee pots. 6 cups: external diameter 66,25 mm - internal diameter 55 mm E B Lab, by IMS Competition Moka filter and gasket kit. Compatible with Bialetti 6 cup and other Moka coffee pots. 6 cups: external diameter 66,25 mm - internal diameter 55 mm Silicone Gasket will last forever and Precision Filter will make your moka coffee taste much better Moka stainless steel filter has smaller holes (0.2 mm diameter, compared to traditional 0.8mm). It extracts coffee avoiding high pressured water. Reduces coffee particles, makes coffee cleaner, emphasises acidity and reduces bitterness. Silicone gasket will last much longer without need for replacement. It will not harden and will not absorb bad smell, as apposed to original gaskets.