EspressoFit

IMS E61200NT Nanotech Membrane Shower Screen (E61 group)

verified · 21 August 2026

Fits these machines

The Nanoquartz-coated E61 shower screen — Ø60mm border, 57mm body, 17mm external wall, 200 µm photo-etched membrane. Same fitment as the uncoated E61200IM; the difference is entirely the surface.

The E61 is the group this coating was made for

IMS makes the argument better than we could, on its ECM page:

“The E61 group head is an exposed, heavy brass component that gets very hot. Coffee oils can quickly bake onto the standard shower screen. The Nanotech (NT) quartz coating provides a non-stick barrier that prevents oils and grounds from adhering to the metal.”

That is the whole case. An E61 is a thermosyphon — brass held permanently at brew temperature by circulating water — so unlike a machine that cools down between sessions, the screen is never not hot. Baked-on oils are the characteristic E61 maintenance problem, and a hydrorepellent surface attacks it at the cause rather than asking you to scrub harder.

The trade is that the coating is a consumable in a way bare steel is not. IMS warns on its brand pages against daily aggressive chemical backflushing, which wears the quartz down; water backflushing and a wipe are the intended routine.

A dimension worth noting

IMS prints the body diameter as 57mm on this page and 56.5mm on the uncoated E61200IM page. Both figures are quoted here exactly as published rather than reconciled into one — the border diameter, which is what actually seats in the group, is 60mm on both.

Which machines are cross-referenced, and why not more

The same list as the uncoated version, and for the same reason: only machines whose own manufacturer page confirms an E61 group — four Rocket models and two ECM models.

IMS’s E61 brand list also names Lelit, but not which Lelit models, and Lelit’s own pages describe its home groups as LELIT58, L58E and LELIT57 rather than E61. Rather than guess, no Lelit machine is cross-referenced. Rocket’s saturated-group models are excluded on the same principle.

IMS’s caveat is worth reading before you buy: “The most common products of each manufacturer are compatible as indicated, but there may be models that use different components which may not always fit some models of home espresso machines.”

This is a group part — keyed by grouphead, not portafilter size. See groupheads explained and the E61 group.

Also fits the same machines

Other items confirmed to fit machines this one fits — useful if you're kitting out a single setup. The count is how many of those machines overlap; nothing here is a new fitment claim.

FAQ

What does the IMS E61200NT Nanotech Membrane Shower Screen (E61 group) fit?
It is a group part for the E61 group — it fits by grouphead, not by portafilter size. See the machines listed below.
Which machines does the IMS E61200NT Nanotech Membrane Shower Screen (E61 group) fit?
ECM Estetika; ECM Mechanika MAX II; Rocket Espresso Appartamento; Rocket Espresso Giotto Fast; Rocket Espresso Mozzafiato Fast; Rocket Espresso Porta Via — each confirmed against manufacturer sources (listed below).

Sources

Spot an error? The fastest fix is the source itself —send us the manufacturer page that contradicts this entry and we'll correct it and cite it. See how we verify.