Flat-Bottom Portafilter Cleaning Rubber – Model 03
Product Packaging + Overall Packaging↓↓↓
NS300Pro Soft Rubber Insert – Model 03 (Flat Bottom, Right-Angle)
This is the official Model 03 replacement rubber insert for the NS300Pro Automatic Portafilter Cleaner system. It is precision-shaped for 58mm flat-bottom, straight-walled (right-angle) double-shot portafilter baskets — ensuring flush contact between the cleaning brush head and the inner surface of your portafilter for thorough, efficient coffee grounds removal.
Which portafilters have a flat bottom, right-angle profile?
Flat-bottom, straight-walled baskets are common across a wide range of espresso machines including many Breville (Sage) models, certain DeLonghi La Specialista variants, ECM, and commercial-style portafilters with a flat basket base. If you're unsure of your portafilter shape, compare it against the NS300Pro model guide included in your machine's instruction booklet.
How to know it's time to replace your rubber insert:
- The rubber strip is visibly cracked, torn, or deformed
- Coffee grounds are no longer cleared fully in one pass
- The insert no longer seats securely on the cleaning head
Specifications:
- Model: 03 – Flat bottom, right-angle profile
- Compatible basket diameter: 58mm
- Compatible with: NS300Pro metal cleaning heads (all generations)
- Material: Soft rubber (food-safe)
Also available: Model 01 (general / arc-bottom right-angle) and Model 02 (arc-bottom right-angle) for different portafilter shapes.
Frequently Asked Questions
What is the NS300Pro Model 03 rubber insert used for?
The NS300Pro Model 03 is a replacement soft rubber insert designed for the NS300Pro Automatic Portafilter Cleaner. It helps the cleaning head make close contact with the inside of compatible portafilter baskets for efficient removal of used coffee grounds.
Which portafilter baskets are compatible with Model 03?
Model 03 is designed for 58mm flat-bottom, straight-walled right-angle double-shot portafilter baskets. Always check the shape and diameter of your basket before ordering.
Which espresso machines commonly use this type of basket?
Flat-bottom, straight-walled baskets are commonly found on many Breville or Sage machines, certain DeLonghi La Specialista models, ECM machines, and other commercial-style espresso systems. Basket shape can vary between models, so compatibility should be confirmed before purchase.
Is Model 03 compatible with all NS300Pro cleaning heads?
Yes. Model 03 is compatible with NS300Pro metal cleaning heads across all generations, making it a convenient replacement insert for compatible 58mm flat-bottom portafilter baskets.
When should I replace the Model 03 rubber insert?
Replace the rubber insert if it becomes cracked, torn, or deformed, if coffee grounds are no longer removed completely in one cleaning cycle, or if the insert no longer sits securely on the cleaning head.
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