First, a quick reality check: the Normcore 58mm Bottomless Portafilter is the most directly relevant option here because it’s designed for Breville/Sage Dual Boiler machines like the BES920XL and comes with a basket included. That makes it ideal if you want to see extraction in real time, spot channeling, and improve puck prep. If you specifically need a bottomless portafilter for a Sage Dual Boiler, the closest comparison is not a storage tin or scale — it’s another compatible bottomless setup. Unfortunately, the listed alternatives don’t include a true 58mm Sage-compatible rival, so the other products only make sense if your priorities have changed.

The Airscape Coffee Storage Canister is the standout alternative if your real problem is stale beans rather than your portafilter. It’s a large 1.1 kg container with a two-way valve lid that pushes air out, which is brilliant for keeping whole beans fresher for longer. What’s better: it protects flavour, especially if you buy in kilo bags and don’t get through them quickly. What’s worse: it won’t improve espresso extraction, shot clarity, or crema the way a bottomless portafilter can. Choose this instead if your grinder is already decent and you want to preserve the quality of your beans before they ever hit the burrs.

The KC Kitchen & Co. Coffee Can Airtight is a more budget-friendly storage option. At £25.95, it’s much cheaper than the Normcore and still gives you airtight storage for around 1 kg of beans. What’s better: value and simplicity. What’s worse: it doesn’t have the same premium sealing system as the Airscape, and like any canister, it’s still a storage solution rather than an espresso upgrade. This is the one to pick if you want to spend less and keep beans tidy on the counter, not if you’re chasing better extractions from your 9-bar machine.

The Normcore 51mm Naked Bottomless Portafilter for DeLonghi ECP3420/EC155/BCO430/EC260 is only relevant if you’re using one of those smaller basket machines. What’s better: it gives the same naked-portafilter feedback as the 58mm version, so you can diagnose uneven tamping and grinder issues. What’s worse: it’s not compatible with the Sage Dual Boiler, and the 51mm basket size limits your espresso workflow compared with a 58mm setup. Choose this only if you own a compatible DeLonghi and want the same visual feedback for dialling in.

The Normcore 51mm Naked Bottomless Portafilter for DeLonghi Dedica EC680/EC685, SMEG and EUPA machines is similar: a good choice for owners of those specific machines, but not a substitute for the Sage-compatible 58mm model. What’s better: targeted compatibility and the same basket-included convenience. What’s worse: again, wrong fit for the Breville/Sage Dual Boiler, and the smaller format won’t match the workflow of a proper 58mm espresso setup. If you’re on a Dedica, this is the right lane; if you’re on a Dual Boiler, it isn’t.

Finally, the Rechargeable Mini Coffee Scale with Timer is the best accessory alternative if you’re trying to improve shot consistency rather than change hardware. A 0.1 g accurate scale with a built-in timer is hugely useful for espresso, especially when paired with a PID-controlled machine like the Sage Dual Boiler, because you can repeat doses and brew times more reliably. What’s better: it helps you dial in grind size, dose, and yield — the real trio behind great espresso. What’s worse: it won’t show basket channeling like a bottomless portafilter. Choose this if you already have a decent portafilter and want to tighten up your workflow before spending more on metalwork.

In short: if you want the closest true alternative, there isn’t a perfect one in this list for Sage Dual Boiler owners. The storage canisters are better for bean freshness, and the scale is better for dialling in shots.