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| Size | 8.5 mm |
| Material | Heat-resistant synthetic |
| Pattern | Solid |
| Compatibility | Fits many commercial espresso groupheads |
| Intended Use | Preventing leaks and maintaining pressure |
Designed and manufactured by Synesso this 8.5mm collar seal fits many other commercial espresso groupheads. Built to prevent leaks and maintain pressure, this durable, heat-resistant seal ensures consistent extractions and smooth machine performance—an essential spare for any professional coffee setup.
The catalog often lists the same model at several merchants — worth a price check before you buy.