Lelit In-Tank Water Softener / Particle Filter (2 Pack)

This works great. Mileage may vary depending on the hardness of your water. I get 40l of good soft water from a 70l filter. After this, the performance degrades rapidly. Keep testing your water to make sure your machine is protected.

Down here in Florida we use these like crazy! Love our morning coffees.

This is an absolute must-have for your Lelit machine (there are two sizes - you can check the manual to see which one fits yours). I change mine on my Mara X on a regular schedule. I've seen the insides of machines that skipped using them. Not pretty! Worth every penny - pick up a few so you have one on hand for a scheduled replacement.