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pennysave 16.5K Views
May 10, 2026 6:26 AM

6-oz Eva-Dry Wireless Mini Dehumidifier (White)

$11

$25

56% off
Amazon
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Deal Details
Amazon has 6-oz Eva-Dry Wireless Mini Dehumidifier (White, (E-333)) for $10.49. Shipping is free w/ Prime or on $35+ orders.

Thanks to Community Member pennysave for finding this deal.

Features:
  • Designed to absorb moisture from small enclosed areas (up to 50 cub. ft.)
  • Helps protect valuables from mold, mildew and moisture rot
  • Needs no power to operate - no batteries or power cord
  • Absorbs approximately 8 to 10 ounces of moisture in 3 to 8 weeks, depending on humidity levels
  • Suited for spaces up to 333 cubic feet
  • Renewable technology

Editor's Notes

Written by citan359 | Staff
  • About this deal:
    • Our research indicates that this offer is $9.50 lower (47% savings) than the next best available price from a reputable merchant with prices starting from $19.99
  • About this store:

Original Post

Written by pennysave
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has 6-oz Eva-Dry Wireless Mini Dehumidifier (White, (E-333)) for $10.49. Shipping is free w/ Prime or on $35+ orders.

Thanks to Community Member pennysave for finding this deal.

Features:
  • Designed to absorb moisture from small enclosed areas (up to 50 cub. ft.)
  • Helps protect valuables from mold, mildew and moisture rot
  • Needs no power to operate - no batteries or power cord
  • Absorbs approximately 8 to 10 ounces of moisture in 3 to 8 weeks, depending on humidity levels
  • Suited for spaces up to 333 cubic feet
  • Renewable technology

Editor's Notes

Written by citan359 | Staff
  • About this deal:
    • Our research indicates that this offer is $9.50 lower (47% savings) than the next best available price from a reputable merchant with prices starting from $19.99
  • About this store:

Original Post

Written by pennysave

Community Voting

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Top Comments

Community Reviews

Eva-Dry's wireless mini dehumidifier is best suited to small, enclosed spaces like safes, cabinets, sealed bins, and cars, where it can help keep documents, guns, ammo, filament, and glasses dry or prevent window fogging. The rechargeable bead design is praised for long-term use, with some units lasting years and needing only occasional recharging in gun cabinets. The main drawbacks are limited capacity, frequent recharging in wetter spaces, and indicator lights that can stop working or fail to show when the beads are dry. It is a compact moisture absorber that works best when the space is truly sealed.

  • The unit can keep small stored items dry, including filament and guns or ammo.

  • The beads can be recharged multiple times over the years for ongoing moisture control.

  • The refresh cycle can be used to dry beads again, which supports odor control in enclosed dish cabinets.

  • The dehumidifier can help prevent car window fogging in rainy conditions.

  • The indicator light can stop working after about one to two years even when the unit is still used.

  • The unit may not reduce humidity in larger spaces like rooms or closets.

  • The dehumidifier can require frequent recharging and may not work well for its intended purpose in some environments.

  • The color-change window can stop changing when the beads become burnt after extended heating.

Common Questions (5)

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30 Comments

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May 16, 2026 6:15 PM
35 Comments
Joined Feb 2014
Eddie72May 16, 2026 6:15 PM
35 Comments
Thanks
May 16, 2026 6:17 PM
119 Comments
Joined Jan 2007
KomiefornistanBoyMay 16, 2026 6:17 PM
119 Comments
Terrible name. Sounds like a feminine product.

I have a couple. The older ones I got was like 10 -15 yo. It's in my closet and the indicator never turn green. Might have a few times years ago not not recent years. I keep recharging and using this.
1
3
May 16, 2026 7:07 PM
590 Comments
Joined Jul 2003
Inc0gnit0xMay 16, 2026 7:07 PM
590 Comments
Quote from hylo23 View quoted comment :
I leave one of these in my car and the windows never fog up.
I keep one in a zip lock and toss my phone in there when its raining.

It will not suck up moisture in a large room. It will but it does not have the capacity for large amounts of moisture without a recharge. Small enclosed spaces work best.
Oooh great idea - for the car
Pro
May 16, 2026 7:31 PM
12.5K Comments
Joined Jul 2008
c2nah777
Pro
May 16, 2026 7:31 PM
12.5K Comments
Hello, Angels!

Hi, Charlie!
1
1
May 16, 2026 8:37 PM
34 Comments
Joined Aug 2019
pyrophileMay 16, 2026 8:37 PM
34 Comments
I use these in the dish cabinet to prevent a funky smell from forming on the glasses. I'm the only one that seems to notice, but these have been great for that use case. I plug them in every two weeks or so in the summer. They did lose their indicator after a couple years, but I just plug them in occasionally and it's fine.
May 16, 2026 8:46 PM
395 Comments
Joined Dec 2014
NSXIntegraMay 16, 2026 8:46 PM
395 Comments
Just to give context, I bought this for $15 in January of this year. Still a great price, getting another one for my closet.
May 16, 2026 10:03 PM
185 Comments
Joined Dec 2010
OJ47May 16, 2026 10:03 PM
185 Comments
Got this for around $18 before and I like it. A lot of people don't seem to follow the instructions or understand how it works. The beads absorb moisture: when they're "full", you plug it in to evaporate and refresh the beads. Plugging them in for too long during this reset cycle would destroy the beads.

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Pro
May 17, 2026 1:45 AM
5.2K Comments
Joined Aug 2008
foxfai
Pro
May 17, 2026 1:45 AM
5.2K Comments
I'm skeptical, Maybe I'll try it.
May 17, 2026 2:12 AM
4.1K Comments
Joined Jun 2007
bobleyMay 17, 2026 2:12 AM
4.1K Comments
Quote from hylo23 View quoted comment :
I leave one of these in my car and the windows never fog up.
I keep one in a zip lock and toss my phone in there when its raining.

It will not suck up moisture in a large room. It will but it does not have the capacity for large amounts of moisture without a recharge. Small enclosed spaces work best.
How often do you have to recharge the one left in the car?
May 17, 2026 3:11 AM
211 Comments
Joined Jun 2023
SatchBoogie1May 17, 2026 3:11 AM
211 Comments
I use this in my gym bag.
May 17, 2026 4:55 AM
611 Comments
Joined Sep 2019
FabulousStranger526May 17, 2026 4:55 AM
611 Comments
Quote from Esente View quoted comment :
Bought one for my van in Houston humidity. Does not reduce humidity at all.
A van is about 20-60 times larger than the working area of this device.
May 17, 2026 1:40 PM
60 Comments
Joined Jan 2009
FrankMcMay 17, 2026 1:40 PM
60 Comments
I use one of these in a gasketed plastic bin where I store my 3D printer filament. Works great to keep it dry.
1
May 18, 2026 2:33 AM
148 Comments
Joined Jun 2018
HandimanMay 18, 2026 2:33 AM
148 Comments
Quote from kurizma View quoted comment :
so this is just silica beads with a build in dryer? you can get a jug of color changing silica beads for about 5 bucks a lb (get the green, blue is toxic) and dry them out in the oven when they change color. https://www.amazon.com/dp/B0CFDZ79YN?th=1
I use them in the safe, and keeping filament, and guns and ammo dry.
Great Idea. Thanks for the suggestion and the link.
Jun 1, 2026 7:27 AM
81 Comments
Joined Sep 2021
SplendidCreature371Jun 1, 2026 7:27 AM
81 Comments
seems too small to be effective

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Jun 1, 2026 7:36 AM
982 Comments
Joined Nov 2009
MoneyTreeJun 1, 2026 7:36 AM
982 Comments
Quote from SplendidCreature371 View quoted comment :
seems too small to be effective
I'm giving this a try in a small confined box. I'm placing it in a fireproof safe. I've had issues with mold on some documents in the safe when I have not opened the safe in long while. I still will need to open the safe now and then to recharge the eva-dry unit, so not perfect.

Also the deal is over now.

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Share your experience with the Slickdeals community

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