why does it leak after a few months? this is my 4th tank. is it something i am doing ?

When you are cleaning the water chamber, try using water that isn't so hot. I've had other dishwasher safe water chambers that started leaking after I hand cleaned them with water that was very warm to touch. I accidentally left the water chamber with very warm water running on it for a couple of minutes, and the bottom of the chamber literally fell off. Rather than a poor design, or using poor components, I believe this is a fail-safe feature, so if the water in the chamber is somehow overheated, the water will drain out of the chamber, and there will be less chance of overheated moist air damaging your throat and lungs. Another possible cause could be build up of minerals, if your water is hard. ResMed's instructions say to use a solution of 10 parts water to 1 part vinegar to remove white deposits inside the tank.

I see this is called the standard tub, mine runs out of water in less than 8 hours. Is there a large tub?

From what I read, the 2 water tubs are the same size. The difference is that one is standard, the other says it’s dishwasher safe.

Can you buy just to seal?

Yes, you do not have to use water.

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37299 Humid Air Standard Tub for AirSense 10 and AirCurve 10

Product ID: 355322332

Details

Brand
ResMed
Capacity
380 ml
Colour
Not Specified
Floor area
300 Square
Operation mode
Automatic

💧380ml capacity

🔄Automatic operation

🔥Heated humidification

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Description

💨 Stay fresh, breathe easy — the humidifier tube your CPAP dreams deserve!

OPTIMAL HYDRATION BOOST - 380ml water capacity ensures all-night moisture for ultimate comfort
HEATED HUMIDIFICATION TECH - Prevents dryness and irritation with consistent warmth
PLUG PLAY AUTOMATIC MODE - Smart automatic operation for hassle-free, uninterrupted therapy
SEAMLESS CPAP COMPATIBILITY - Designed specifically for AirSense 10 and AirCurve 10 models
ULTRA LIGHT MEDICAL GRADE DESIGN - Weighs just 0.01 ounces for effortless integration

The ResMed 37299 Humid Air Standard Tub is a lightweight, medical-grade humidifier tube with a 380ml capacity, engineered for seamless compatibility with AirSense 10 and AirCurve 10 CPAP devices. Featuring heated humidification and automatic operation, it delivers consistent moisture to enhance respiratory comfort throughout the night.

Specifications

ASIN	B07SHVJ38F
Best Sellers Rank	62,096 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 495 in CPAP Equipment
Brand Name	ResMed
Capacity	380 ml
Colour	Not Specified
Customer Reviews	4.7 4.7 out of 5 stars (5,488)
Filter Type	Demineralization Cartridge
Floor Area	300 Square Feet
Included Components	Humidifier Tube
Item Shape	Rectangular with rounded corners
Item Weight	0.01 Ounces
Material	medical-grade plastic
Model Name	37299
Model Number	37299
Number of Packs	1
Operation Mode	Automatic
Part Number	37299
Power Source	Corded Electric
Room Type	Bedroom
UPC	619498372997
Unit Count	1.0 count

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$106.88

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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TrustScore 4.5 | 7,300+ reviews

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