Circular Filter Paper Size:49.0mm and you can tap to

and you can tap to reduce it down to the 49mm zone

with the tradeoff of a lot of extra headspace

measure the distance between the bottom of your usual portafilter + basket and the top of your usual shot cup

With this bellows upgrade you can achieve an incredible 0

which are are stamped

Circular Filter Paper Size:49.0mm and you can tap toCustom cut for INTROVERT 58 49mm Step Down Baskets. Designed to fully cover the basket holes when placed at the bottom. Use above and or below the puck to adjust extraction behavior. Chlorine free, bleached with hydrogen peroxide. Placing on top of puck: Improves initial water dispersion across the puck Reduces surface disturbance and early channeling Placing below puck: Promotes more even flow through basket holes Helps reduce fines migration and