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Help Center304 Stainless Steel Coffee Filter Mesh Sheet 150 Mesh 80mm Diameter for Espresso Machine
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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory (established in 1998), we bring over two decades of expertise in wire mesh fabrication to every product we deliver. Our 304 Stainless Steel Coffee Filter Mesh Sheet with 150 mesh and 80mm diameter is precision-engineered for espresso machines, offering a durable, reusable, and eco-friendly alternative to paper filters. Designed to enhance flavor extraction and reduce waste, this filter disc delivers consistent performance for both home baristas and commercial coffee shops.
Each filter is crafted from premium 304 stainless steel, ensuring excellent corrosion resistance and long service life. The 150 mesh (approximately 150 openings per linear inch) provides the ideal balance between fine filtration and flow rate, allowing essential oils and subtle flavors to pass through while trapping coffee grounds effectively. The 80mm diameter fits most standard espresso machine portafilters, making it a versatile choice for various brands and models.
Our manufacturing process includes advanced punching and laser cutting techniques, resulting in a perfectly smooth edge that prevents scratching of portafilter baskets. The filter disc is also easy to clean – simply rinse under running water or wipe with a soft cloth, and it's ready for repeated use. With thickness options ranging from 0.3mm to 0.8mm, we can customize the filter to meet specific pressure requirements of your espresso machine.
Key Features & Technical Specifications
- Material: 304 Stainless Steel – food-grade, rustproof, and BPA-free
- Mesh Count: 150 mesh – fine enough for espresso but allows essential oils
- Diameter: 80mm (3.15 inches) – standard size for many espresso machines
- Thickness: 0.5mm (standard) – customizable from 0.3mm to 0.8mm
- Edge: Smooth, burr-free – safe for portafilter and easy handling
- Reusable: Replaceable after hundreds of uses – reduces paper waste
- Cleanability: Quick rinse or ultrasonic cleaning – no special care needed
- Customization: Available in different diameters, mesh counts, and thicknesses
| Parameter | Value |
|---|---|
| Material Grade | 304 Stainless Steel (1.4301) |
| Mesh Opening | Approx. 100 microns |
| Open Area | ~36% (allows good flow) |
| Tolerance | ±0.1mm on diameter |
| Surface Finish | Matte or polished (optional) |
The 150 mesh size is specifically chosen for espresso brewing: it provides enough resistance to build proper pressure (typically 9 bars) while allowing the coffee’s aromatic oils to pass through, resulting in a rich crema and full-bodied taste. Unlike paper filters that absorb oils, our stainless steel filter preserves the natural flavor profile of the coffee beans. Additionally, the durable construction means you can use it thousands of times without degradation, making it a cost-effective investment for your daily coffee ritual.
We understand that different espresso machines have varying portafilter basket depths and pressure dynamics. That’s why we offer customization: choose a thinner disc (0.3mm) for machines with lower pressure or a thicker one (0.8mm) for high-pressure systems. The flat, smooth edge ensures a perfect seal in the basket, preventing channeling and uneven extraction. Our filters are also compatible with both 58mm and 58.5mm baskets (80mm outer diameter fits most standard 58mm baskets with a snug fit).
Why Choose Boli Hardware?
With over 20 years of manufacturing experience, we have exported US$5 million to US$10 million annually to global markets including North America, Europe, South America, and Southeast Asia. Our factory is located in Hengshui, Hebei, China – the renowned wire mesh production base. We operate with strict quality control, ensuring each filter disc meets your specifications. Our main ports of shipment are Tianjin, Qingdao, Shanghai, and Foshan, providing flexible logistics for international buyers.
We welcome OEM/ODM orders: you can customize the diameter, mesh count, thickness, edge finish, and even packaging. Small trial orders are accepted, and we offer competitive pricing for bulk quantities. Our dedicated customer service team responds within 24 hours, and we provide technical support for any installation or usage questions.
Take the step towards a superior espresso experience. Contact us today to request a sample or place your order – your perfect coffee filter awaits.
Frequently Asked Questions
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Is this filter compatible with my espresso machine?
The 80mm diameter is designed for standard 58mm portafilter baskets. It fits most machines from brands like Breville, De'Longhi, Gaggia, Rancilio, and ECM. Please measure your basket inner diameter to confirm. If you need a different size, we can customize. -
How do I clean the filter?
Rinse under hot water immediately after use. For deeper cleaning, soak in a solution of baking soda and water, or use an ultrasonic cleaner. Avoid abrasive scrubbing that may damage the mesh. -
Will this filter affect the taste of my coffee?
Yes, positively. Unlike paper filters, stainless steel allows coffee oils to pass through, giving a richer body and more crema. Some users find the flavor brighter and more complex. However, you may need to adjust grind size slightly for optimal extraction. -
What is the exact thickness of the filter?
Our standard thickness is 0.5mm. We also offer 0.3mm, 0.4mm, 0.6mm, and 0.8mm upon request. Thicker filters provide more durability but may slightly reduce flow rate. -
How long does this filter last?
With proper care, it can last for years – typically thousands of uses. The 304 stainless steel is resistant to rust and corrosion, making it a long-lasting investment. -
Can I use this filter for pour-over or other brewing methods?
While designed for espresso, it can be used as a flat filter for drip coffee or cold brew if the diameter matches your device. However, the 150 mesh is finer than typical pour-over filters, so it may slow down draining. -
Do you offer samples before bulk order?
Yes, we provide samples (paid or free depending on quantity). Contact us with your requirements, and we will arrange shipment. -
Is the filter safe for food contact?
Absolutely. Our 304 stainless steel is food-grade and complies with international safety standards. We do not use any coatings or chemicals.
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