IMS B68 Competition 1 Cup H24.5 (B681TH24.5E)
verified · 26 July 2026That model name is an IMS product code — series, cup count, height and hole pattern are all encoded in it. IMS basket codes, decoded explains how to read one, and lists every code covered here.
This basket is one of a line. See every IMS B68 Competition basket compared — the whole ladder of heights and variants on one page, with the three diameters they share.
Fits these machines
- Gaggia Classic GT (58mm portafilter)
- Gaggia Classic Pro (E24) (58mm portafilter)
The single-shot basket in IMS’s B68 series — the Ø68-border line IMS assigns to Gaggia (alongside Carimali and La Cimbali). At 24.5mm deep with a perforated area of just Ø30mm, it is built to keep resistance up under a small dose: IMS rates it 7.5–9.5g for a dark roast, rising to 9.5–12g for a light one.
The 253 holes are hexagonally arranged and circular with a conical cross section — the shape IMS’s competition line is built around, tapering through the basket floor so flow accelerates rather than stalls at the exit.
Pair it with the 2-cup B682TH24.5M if you pull both singles and doubles. Note the geometry difference from the B70 line: the border is Ø68mm rather than Ø70mm, which is precisely why IMS keys Gaggia to this series. Verified against IMS’s official product page and Competition catalogue.
Buy the IMS B68 Competition 1 Cup H24.5 (B681TH24.5E) (affiliate link — see our disclosure)
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.
- Gaggia 58mm Single-Shot Filter Basket (58mm basket) — shares 2 machines
- Gaggia Barista Pro IMS Filter 20g Nanotech (58mm basket) — shares 2 machines
- Gaggia Bottomless Filter-holder (ashwood handle) (Portafilter) — shares 2 machines
- Gaggia Crema Perfetta Pressurized Basket Kit (58mm basket) — shares 2 machines
- Gaggia Wooden Handle Filter-holder (spouted) (Portafilter) — shares 2 machines
- IMS B68 Competition 2 Cup (B682TH24.5M) (58mm basket) — shares 2 machines
FAQ
- What size portafilter is the IMS B68 Competition 1 Cup H24.5 (B681TH24.5E) for?
- It is a 58mm basket, 24.5mm deep, for 58mm portafilters.
- Is the IMS B68 Competition 1 Cup H24.5 (B681TH24.5E) pressurized?
- No — it is a non-pressurized (single-wall) basket, for freshly ground coffee.
- Does the IMS B68 Competition 1 Cup H24.5 (B681TH24.5E) fit 54mm machines like the Breville Barista Express?
- No. It is a 58mm basket, so it does not fit Breville's 54mm machines or any 54mm portafilter.
- Which machines does the IMS B68 Competition 1 Cup H24.5 (B681TH24.5E) fit?
- Gaggia Classic GT; Gaggia Classic Pro (E24) — each confirmed against manufacturer sources (listed below).
Sources
- https://www.imsfiltri.com/filters/B681TH24.5E.html (archived) — Official IMS Filtri product page ('B681TH24.5E FILTER BASKET', Competition Series, 1 Cup), read firsthand 2026-07-26. Specs verbatim: 'Border: Ø 68 mm', 'Body: Ø 60 mm', 'Height: 24.5 mm', tamper 'Ø 58 mm', '253 holes in hexagonal pattern', holes 'Circular with conical cross section', over a 'Ø 30 mm area optimized for 1-cup flow'. Capacity 7.5/9.5 gr (dark roasted), 8/10 gr (medium), 9.5/12 gr (light). Amazon listing verified firsthand 2026-08-03: 'IMS B681TH24.5E PRECISION FILTER 1 CUP 6/9 g H24.5' — the B681TH24.5E code in the listing title matches this entry exactly. Add-to-cart present, i.e. actually buyable, at the time of checking.
- https://www.imsfiltri.com/IMS-competition-Catalogue.pdf (archived) — Official IMS Competition Series catalogue, read firsthand 2026-07-04. Its B68 series heading reads 'B68 (BORDER Ø 68 mm) CARIMALI, GAGGIA, LA CIMBALI' — IMS assigns Gaggia to the B68 series (Ø68 border), not the Ø70 B70 series, which is why B68 baskets cross-reference the Gaggia machines here.
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