|Item Weight||8 ounces|
|Product Dimensions||3.5 x 3.5 x 3.8 inches|
|Item model number||30879|
|Assembled Height||4.75 inches|
|Assembled Width||3.5 inches|
|Assembled Length||3.5 inches|
Other Sellers on Amazon
+ $4.61 shipping
+ Free Shipping
+ Free Shipping
BONECO Demineralization Cartridge 7531
|Price:||$17.89 + $3.56 shipping|
Usually ships within 3 to 4 days.
- Provides water mist without minerals or limescale
- Easy cartridge replacement or easy replacement of the granules every 2 – 3 months
- Can be refilled with top-up granules A7533. Compatible products : U650, 7135, 7142, 7144, 7145, 7147, U200, U700
- Use with all BONECO & AIR-O-SWISS ultrasonic humidifiers except the U7146 Travel & U300 series
Frequently bought together
Customers who bought this item also bought
Customers who viewed this item also viewed
Have a question?
Find answers in product info, Q&As, reviews
Please make sure that you are posting in the form of a question.
When properly installed and maintained, the 7531 Demineralization Cartridge effectively prevents the release of minerals in the air. Replace or refill the cartridge every 2 – 3 months or more frequently in areas with hard water.
Compare to similar items
|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Amazon.com||Amazon.com||Amazon.com||MaxWarehouse||Outdoor Gear Club|
Top customer reviews
There was a problem filtering reviews right now. Please try again later.
Every 2-3 months (depending on use), you remove the cartridge, take the top off (it should unscrew), and pour used granules in the trash. Follow the instructions that AOS provides to refill the new granules (its very straightforward).
I always have 1 spare cartridge on hand because you must soak the newly refilled cartridge for 24 hours. If you are fine going a day without your humidifier every 2-3 months then you just need the one cartridge that comes with your AOS.
Thanks for taking the time to read my review, and I hope you found it helpful in making a purchase decision.
In a normal Wisconsin winter season, a single cartridge has done fine (although the AOS company, of course, recommends changing them more frequently). During a 120-day season, I run these in our bedrooms 70 to 80 days for 8-16 hrs/day. Frequency & runtime depends on outside humidity (or lack thereof) and how often our furnace runs. The only downside I find to using these (cost not considered) is that they reduce, by about a pint, the amount of water you can get into the reservoir, requiring more frequent filling. I just set a morning & evening fill schedule, and all is good.
There are refill packs available (one of which I have), but I haven't yet been able to open a cartridge by season's end. From the reviews I've read on the refill packs, it's worth it to just buy a whole new cartridge. Highly recommended!