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Product Design

For questions about AeroPress product design

What is the purpose of the funnel?

Use the funnel to transfer the ground coffee from your coffee grinder bin to the AeroPress chamber.

What are the maximum and minimum mug diameters the AeroPress Original and AeroPress Clear fit?

The biggest mug you can press into with the AeroPress Original coffee maker or the AeroPress Clear coffee maker has a top inner diameter of 3.75 inches (95mm). The smallest mug you can press into with the AeroPress Original or the AeroPress Clear has

What are the dimensions of the AeroPress Original and AeroPress Clear?

Plunger with Seal: 5.26" tall, 3.28" diameter. Chamber: 4.75" tall, 4.22" diameter (at widest part of the hexagon). Compressed Plunger + Chamber: 5.26" tall (height of the Plunger), 4.22" diameter (diameter of Chamber)

Do the AeroPress Original, AeroPress Clear, AeroPress Go Plus, and AeroPress Go fit on the same size mugs, or does one fit on a larger size mug than the other?

The AeroPress Original, Clear, Go Plus, and Go have the same cylinder diameter but the flange that supports the chamber on your cup is smaller on the Go. The Go can sit on a cup with a maximum inside diameter of about 3.25” whereas the AeroPress Orig

What is that hissing sound when I press?

When you press on an AeroPress coffee maker, the plunger pushes on a layer of air that pushes the hot coffee through the coffee grounds and into your cup.  The hiss occurs when all the hot coffee has been pressed into your cup and you are just finish

I want to hear about your new products!

Thank you for your interest! Be sure to sign up for the AeroPress newsletter so that you can stay up-to-date on any new product announcements. As a bonus, you'll receive 10% off your first order of AeroPress brand products when you sign up for our ne

Why did you take the numbers off the AeroPress Original plunger?

We stopped putting the water level marking numbers on the AeroPress Original plunger because we were concerned that they encouraged the use of the plunger in microwave ovens and we just do not know what effect microwaves have on the life of the rubbe

Why are there holes in the sides of the AeroPress filter cap? Doesn’t the coffee coming out of them miss being paper-filtered?

The bottom circular rim of the chamber is firmly clamped down on the paper micro-filter when you screw the filter cap onto the bottom of the chamber. Therefore all the coffee that you press down must go through the micro-filter paper. There is a tiny

Why did you remove the four ridges on the outside of the AeroPress Original plunger?

We removed the ridges from the AeroPress Original plunger because they were scratching the inside of the chamber and had no function. We initially put the ridges on the plunger because we thought they would provide needed additional strength. That wa

What are the dimensions of the AeroPress Original, AeroPress Clear, and AeroPress Go Plus?

Plunger with Seal: 5.26" tall, 3.28" diameter. Chamber: 4.75" tall, 4.22" diameter (at widest part of the hexagon). Compressed Plunger + Chamber: 5.26" tall (height of the Plunger), 4.22" diameter (diameter of Chamber)