La Pavoni Lever IMS 20g Competition Filter Basket - 2272018 From  £48.00

This is a well made basket, fits nicely in my bottomless portafilter with about 3mm past the bottom. ID seems to be precisely 51.5 as my tamper fits exactly inside (tighter than my 16 gram IMS baskets). Nice to be able to pull 18 gram shots, with a bit of room below the screen. Yes a little pricey, but a great addition for the La Pavoni

I can get another 2 grams of espresso in the basket, probably more. It looks like the original 2 shot only deeper. I'm very happy with the quality of workmanship.

These are the typical high quality baskets one expects from IMS, but getting to show off your La Pavoni pride while using them is priceless!