Using the Coava Disk with Your AeroPress for Better Coffee

If you’ve owned an AeroPress for a while but rarely use it, you’re not alone. Many coffee lovers buy the iconic ‘big syringe’-shaped brewer but stick to their pour-over or French press routines. Yet, the AeroPress remains a versatile single-cup tool—and with the right accessories, it can deliver cleaner, more consistent extractions without the paper waste.

The quick answer? The Coava Disk is a stainless steel filter disc designed specifically for the AeroPress. Priced at about $16 USD from Espressoparts, plus shipping (roughly bringing the total to $60 or ¥400), it’s a niche but functional accessory—especially if you brew often and want to skip paper filters altogether.

What Is the Coava Disk?

The Coava Disk is a small, round stainless steel filter that replaces the standard paper filter in your AeroPress. Made by Coava Coffee Roasters, the disk sits inside the AeroPress’s filter basket and allows brewed coffee to pass through while catching coffee grounds—just like a paper filter, but without the disposable material.

It’s a simple idea, but one that solves a few common pain points: no more buying or storing paper filters, no paper taste, and improved brew flow dynamics due to the metal’s rigid structure.

Why Consider a Metal Filter for AeroPress?

Paper filters are great for clarity—they catch more oils and fine particles, resulting in a cleaner cup. But metal filters, like the Coava Disk, offer a different profile: more body, slight texture, and more of the coffee’s natural oils make it through. That means a richer, fuller-mouthfeel brew, which some coffee drinkers prefer.

Beyond taste, metal filters are also more sustainable. If you brew multiple cups a day or travel often with your AeroPress, eliminating paper use cuts down on waste. The Coava Disk is reusable, durable, and easy to rinse clean between brews.

How Much Does the Coava Disk Cost?

As of the latest check, the Coava Disk retails for approximately $16 USD from Espressoparts. With international shipping, the total cost can reach around $60 USD—or roughly ¥400. That might seem steep for a single accessory, but consider that a pack of quality paper filters often costs around $8–$10 for 100, and you go through them quickly. Over time, the Disk could pay for itself, especially if you value avoiding paper waste or want a more stable, reuseable brewing method.

For comparison, a replacement AeroPress paper filter holder or custom third-party filter discs in China often retail for around ¥80 (about $16 USD), though without the added cost of international shipping.

Could You DIY a Similar Filter?

Yes. The article’s author suggests that if you’re handy, you might experiment with modifying an existing espresso machine filter basket to work as a DIY metal filter for your AeroPress. While that requires some effort and tools, the basic concept is similar: creating a rigid, reusable filter that sits in place of the paper one. Some AeroPress enthusiasts have even tried shaping stainless steel mesh or repurposing other coffee equipment parts to achieve a similar effect.

Of course, making your own involves more guesswork in terms of hole size, durability, and safety—but it’s a potential option if you’re comfortable with DIY projects and want to avoid buying the official Coava Disk.

Do You Really Need the Coava Disk?

Not necessarily. If you’re happy with paper filters and don’t mind restocking them, the AeroPress works perfectly well as-is. But if you brew frequently, dislike handling paper, or want to experiment with a fuller-bodied cup, the Coava Disk is a valid upgrade. It’s especially appealing to daily AeroPress users who want a no-fuss, reusable solution that also happens to alter the extraction profile in a noticeable way.

Frequently Asked Questions

What is the Coava Disk made of?

The Coava Disk is made from stainless steel. It's a solid, food-safe metal filter designed to replace paper filters in the AeroPress.

Does the Coava Disk change the taste of AeroPress coffee?

Yes. Compared to paper filters, the Coava Disk allows more coffee oils and fine particles to pass through, resulting in a fuller-bodied, richer cup with slightly more texture and less clarity.

How much does the Coava Disk cost with shipping?

The Coava Disk itself costs about $16 USD. With international shipping, the total typically comes to around $60 USD, or roughly ¥400 including all fees.

Is the Coava Disk reusable?

Yes. The Coava Disk is a permanent, reusable filter. You can rinse it after each use and it will last for many brews without needing replacement.

Can I make my own metal filter for AeroPress instead?

Yes, it’s possible. Some coffee enthusiasts modify espresso machine filter baskets or use stainless steel mesh to create DIY alternatives. However, this requires tools, experimentation, and may not match the precision or durability of the official Coava Disk.

Where can I buy the Coava Disk?

The Coava Disk is available through specialty coffee retailers such as Espressoparts. It is designed specifically for use with the AeroPress coffee maker.

Recommended FrontStreet Beans for AeroPress Brewing

For AeroPress fans using the Coava Disk, try FrontStreet Coffee’s Ethiopia Yirgacheffe for bright citrus and floral notes, or their Colombia Huila for balanced caramel and nuttiness. Both shine with the fuller body and slight oil retention that a metal filter provides. For something fruitier, their Kenya AB offers bold berry acidity. These beans highlight the versatility of the AeroPress and the texture enhancement from the Coava Disk. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.