Fellow Prismo Attachment for AeroPress Coffee Maker - Enhance Your Manual Coffee Maker to Brew Espresso-Style and No-Drip Immersion Coffees, Reusable Metal Filter

One of my roommates bought one of the prismo attachments at our old house and I used it for a year. When I moved out, I tried to use the normal aeropress filter for a week, and ended up caving & buying a prismo because I love this thing so much. If you’re a big aeropress user this is a must. See below for my cons and pros. Cons: PRICE! Although I think it’s totally worth the money, this costs the same amount as the actual Aeropress. I get it’s a small company, but I would have liked to have paid $15, maybe $20 max for this. Fit. I have had my Aeropress for 3 years and it’s an older model. I can’t fully lock in this attachment without man handling it (it appears to be slightly too large for the groove) and so if there’s a lot of pressure in the aeropress, it’ll start to bubble coffee out of the cracks. Not a huge deal and I’m sure it has to do with the age of my aeropress. PROS: No Mess!: unlike the normal aeropress filter attachment that always seems to cause a total mess (I hope it’s not just me??), you can actually sit the aeropress upright without a cup under it with the prismo attachment on and nothing will come out until you push down the aeropress plunger. Stronger espresso- like coffee: I add in the equivalent of a scoop and a half using the aeropress scoop of finely ground coffee into the aeropress and I fill the aeropress about halfway with water. Then I stir it, and wait a few minutes while I heat up oat milk and it makes a super good latte. I am sure a coffee snob would not agree with how I use this but I like strong coffee / espresso and this seems to work. It also tastes slightly less acidic maybe? Way cheaper than buying an espresso machine! Durable: I used the prismo along with three coffee-drinking roommates every day for a year and it still looked the same as day one after that period of time and still functioned great. Reusable Filter: awesome quality, reusable filter. I think aeropress should partner with this brand and offer this as an add on with the aeropress. Even if you get it just to make your coffee making process less messy or for the reusable filter, It’s a great product and despite the price, I would recommend!

I really appreciate using the Aeropress as my go-to brewer for both home and travel purposes. It's one of the simplest methods available, and I love how easy and forgiving it is to make a great cup of coffee. Unlike other brewing methods that require more technique and attention to detail, the Aeropress is a filtered immersion brew that's straightforward and forgiving. The one complaint I have had with my Aeropress, is the small volume paired with needing to use the plunger to hold the flow. If you brew inverted, you need to insert the plunger deeply enough to prevent leaks or it coming loose, which costs you ~20% of the volume of the brewer. If you brew regular, you push some of the water through the paper filter prematurely when putting the plunger on the top, and again cost yourself 10-20% of the volume at the top. The Prismo solves this problem. The little check valve in the Prismo means the coffee will not flow until the plunger is added and some pressure is applied to the brewer. I can confidently brew upright using nearly the entire volume of the Aeropress, knowing that it will not leak, and I can let the coffee steep until I'm ready to grab the plunger and push it through. I do have one gripe- and it's that the Prismo claims to make "espresso-style" coffee; I would say that's a bit of a stretch. You aren't getting anywhere near the pressure required to make proper espresso. You have none of the body or strength in an Aeropress brew that you get from a real espresso machine. The Prismo is not for making "espresso", but I think the savings on paper filters, the ease of cleaning, and the enhancements to the workflow of using the Aeropress are valuable enough to justify the price without needing to make that stretch. I would absolutely recommend the Prismo as a great quality-of-life improvement for anyone who loves their Aeropress for its simplicity, convenience, and forgiving brewing.

It makes really strong and concentrated coffee that tastes great. I grind my beans pretty fine and let them brew for one minute before pushing the plunger in. Cleanup is super easy as it makes a nice puck that usually pops out all in one piece. Very easy to make americanos and iced lattes. Even if you never make espresso with it, the valve on it is worth it to not have to do the inverted method with the regular aeropress filter holder. And the metal filter works great and lets through barely any silt. They should make this for the Aeropress XL

Okay, I've made a couple of cups of coffee with this thing hooked up to my AeroPress. I was hesitant to buy it because it ain't cheap for what you get, but I thought for the price of a couple of pounds of coffee it'd be worth a try. Here are my first impressions: 1. Build quality looks like it'll last for years as long as the (non-replaceable) gasket around the metal filter holds up. It fits the AeroPress perfectly and makes a solid seal. 2. The instructions that came with it are for making "espresso", meaning they tell you to load up 20g of superfine espresso-ground coffee and add 50ml water. I don't have any illusions about this thing making anything akin to espresso, and besides I already have an espresso maker. I bought it to make better AeroPress coffee and reduce or eliminate the use of filters. 3. Most metal coffee filters leave me unimpressed and I always end up using a paper filter as well. I just don't like residue in my coffee, no matter how fine. When using my standard AeroPress grind, this filter doesn't completely eliminate that problem but it's so minor that I consider it acceptable. I feel okay not using a paper filter with this thing. 4. I like to let my coffee brew for a minute after stirring it in the AeroPress, before pushing the plunger down. Without the Prismo, some of the coffee always drips into the cup before I have a chance to create a vacuum seal with the plunger. (Some people turn their AeroPress upside down but this doesn't solve the problem while risking a huge mess in your kitchen; the plunger holds the seal just fine right side up.) With the Prismo attached, there is no leakage into the cup and I can take my time to stir. I don't even have to put the plunger on top to create a vacuum, but I do anyway to keep the coffee from cooling off. 5. Because the coffee comes out in a thin stream, you can use it on cups with a diameter smaller than the AeroPress. This by itself is a great reason to buy it. 6. I expected to have to push really hard to get the plunger down, but it's actually much easier and smoother than the standard AeroPress. 7. Cleanup is a little more cumbersome. It's easier to remove the filter because it doesn't get quite as hot, but instead of having a nice solid "coffee puck" that you can push into the garbage, you end up with half of the grounds stuck to the plunger and the other half stuck to the metal filter. You can't exactly shake the Prismo out in the garbage because the metal filter will come out. So I end up dumping some of it in the garbage and some of it in the kitchen sink. It's not a huge deal, but it's a bit of an extra hassle. Beyond that, the Prismo is super easy to rinse; just hold the filter and housing under the tap and you're good to go. 8. The resulting coffee tastes great. It's not a huge difference but the added pressure plus the ability to brew the coffee without leakage do add up to a bolder cup. Considering how often I use my AeroPress (several times a day), this was a good purchase for me, but I wouldn't consider it an essential accessory. UPDATE: I've had this thing for 3 weeks now, but already I feel like I can't live without it. I haven't used a standard AeroPress filter since I got it, and the biggest reason I love it is that ALL of the coffee stays in the AeroPress while you're stirring it. I've got plenty of time to slowly add the water, take my time stirring the coffee, and then wait for the coffee to have brewed for about a minute total before pushing down the plunger. It makes the whole process less time-critical and a lot less stressful. Cleanup is still a bit less convenient than the standard AeroPress filter and basket, but that small inconvenience is more than made up for by the coffee not dripping through until you push it through.

My only question is why didn't Aero Press design it this way from the start?! This allows all of the water to remain in the chamber, steeping the coffee to your desired amount. No more flipping your AeroPress upside down to steep. It's high quality and not a drop goes through until you insert the plunger. Easy to clean/ no more paper filter waste. Some people complain about the cost but if you're a coffee lover you know how much a good cup is worth and this with the AeroPress is the best coffee you can make at home (and small enough to take everywhere you travel).

Benefits: Really high quality materials. I love really good, fresh, hand-ground and home brewed coffee, so I don’t try to make ghetto espresso with it (because I realize you can’t truly make espresso without pressure). I instead use it as a replacement for the original Aeropress paper filter system. This thing allows you to brew your coffee properly without using the inverted method because it won’t let liquid through until you push the plunger. Pushing the plunger is actually much EASIER with this than the original. The slightest pressure on the plunger opens the nozzle and coffee flows into your cup vs the large effort often required with the original cap and paper filter. It doesn’t leak past the sides when you press either. No mess, no inversion. Now add on top of those benefits that you can hear the coffee spraying out of the nozzle, which allows you to stop pressing when the liquid is gone, BEFORE you squeeze the acid out of the grounds into your coffee making it bitter. But wait.... there’s more!! You get the bean oils and the tiniest bit of fines that improve the taste a TON. This thing is a complete game changer. I love my Aeropress more now than when I first got it. Cleaning: It rinses out very easily. Not sure who is having trouble with that. The easiest way is to pull the plunger halfway back before you take the cap off so it pulls the big clump of wet grounds off the filter/cap assembly, then you remove and shake the filter/cap assembly over the trash once or twice and plunge the coffee grounds from the body of the press into the trash. Leave the plunger fully inserted into the body and rinse both the combined cap/filter assembly (don’t remove the filter) and the combined plunger/body assembly (plunger end only) in the sink for literally 3 seconds. Shake both assemblies a half dozen times over the sink to get the majority of the water off, then put it away with the plunger fully inserted and the cap off to fully air-dry. I place my press on top of the useless funnel it came with and use it as a vertical press-holder in my cabinet. Looks like a coffee rocket ready for launch. Reported Cap Tightness: It is a little tighter than the original, but if you’re stronger than a 1-armed, 90 lb., 105 year old grandmother with advanced arthritis you won’t have any issues. Just turn it in the grooves until it’s snug, you don’t have to torque it all the way in there until you need a pipe wrench to remove it. I agree that it’s slightly tighter than the factory cap, but I honestly don’t see the problem here if you apply basic common sense. I have never had the slightest issue with this, and nether has my 130 lb. girlfriend. Summary: If you have at least grandmother strength, an IQ over 30, you’re tired of coffee leaking past your filter onto your counter, tired of risking a catastrophe every time you use the inverted method, or want the oils and fines in your brew, this is the answer. I can’t imagine going back to those stupid paper filters. This should be standard equipment.

Have had my Fellow cap with filter for two years now. Well over a thousand uses for sure. The cap fits really well but it must be snugged down to seal the cap to the aeropress cylinder. The stainless filter is incredible. My coffee now is just as clear as it was with the paper filter. I didn’t change the procedure: pour 15 or 20 seconds after the pot stops boiling. Stir with the aeropress paddle for 15-20 seconds, then rinse it off and back on the shelf. Then I pick up the plunger and fit it carefully and press down. THIS IS THE HARD PART: Ya gotta push because I set the filter cap on my coffee mug and it takes quite a bit of force on the plunger to get it to bottom out. I hold the mug with one hand and push the plunger down with the other. So far, I’ve never tipped the mug over but I wouldn’t dare plunge it without holding the mug. It requires that much force. My beans are ground as fine as possible with the tubular stainless steel hand grinder sold on Amazon. I grind one plastic brown shovel full of beans with each 12 oz cup of coffee. I always fill up the aeropress cylinder with hot water. My coffee tastes wonderful with the Fellow cap and filter. I think the trick is to plunge quickly. REMEMBER: This is not espresso. This is coffee. The best espresso is at the Vienna or Munich train stations followed closely by the Helsinki airport. I don’t know why, they must get their machines from the same vendor. When you sell a lot of espresso, you must clean your machine more often. The Fellow cap is easy to clean. If you press hard the puck will stay on the plunger and pops into the garbage. I rinse with cold water, the plunger, filter cap, and cylinder. Then dry with paper towel and back on the shelf.

This simple contraption is how the Aeropress should have been built from the beginning. As someone who has used the "flip" method for years, mostly with success but also with a few mishaps (like tipping over, or having the paper filter slip) I really appreciate that I can now just brew the way the Aeropress was initially designed, but without dealing with the pre-drip that method results in. It makes the Aeropress more reliable and less fussy, which is important if you're using it in the morning before you've had your first cup of coffee. The metal filter is nice in that it makes it an easier kit to travel with, as no paper filters are required (though it still works with paper if you prefer). But the metal filter does still allow particulates through - perhaps a coarser grind will solve that problem though. As to the main selling point of making a more espresso-like coffee, I'm not sure it lives up to that. Following the exact instructions provided, I got a little crema, but the pressure I applied was not anything different than what I use when I brew normally. That's a good thing, since I didn't have to give myself a hernia to get a cup of coffee (I've seen some video reviews of this that make it look much harder) but it also means that the coffee wasn't really brewed under any significantly higher pressure. I don't know - maybe my unit has less resistance than others (the videos would suggest that) but in any event, it still basically operates like a standard Aeropress. In the end, I'm keeping this device because I appreciate the metal filter option and prefer the neater, simpler operation over the standard Aeropress and the flip method. But I can't say that for the price this is a truly transformative device. It's just what the Aeropress should have had from the beginning. And that's worth something.