Can I have a B tank in the main compartment, along with a M2 (precautionary backup only) in the pocket?

I think it would be tight. M tank does not fill all room, so might slide over and fit. Don't know the B tank--if no more than couple inches around you may be able to fit it in. All i know is the M2 works great--hands free and does not get in the way. Best of luck.

Do I have to wear the chest strap?

No, but the adjustable chest strap does stabilize the weight of the tank. Over used it both with and without the chest strap and much prefer using the strap. Without it, I find the shoulder straps tend to slip off the shoulders as the weight of the tank makes it sway back and forth as you walk.

When will you have this in black again?

Red is in stock, black is on the way to Amazon warehouse now, sorry for that.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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iGuerburn Small Oxygen Tank Backpack for Size M2, A/M4, ML6, B/M6, M7, C/M9, Portable Oxygen Backpack Cylinder Bag O2 Tank Carrier Holder for Travel (Not for Size D Tanks) - Red

Product ID: 324252671

🎒Fits M2 to C/M9 tanks

🔒Velcro & buckle secure hold

🧳6 hose outlets for tangle-free use

Description

🎒 Carry Confidence, Breathe Freely — Wherever Life Takes You!

SECURE STABLE TANK HOLD - Dual velcro straps and a reinforced hardboard base keep your oxygen cylinder firmly in place during any activity.
ERGONOMIC REINFORCED STRAPS - Upgraded padded shoulder and chest straps distribute weight evenly for all-day comfort and stability.
HANDS FREE MOBILITY STORAGE - Carry your essentials in multiple pockets while keeping your hands free—perfect for travel, work, or daily walks.
UNIVERSAL CYLINDER COMPATIBILITY - Seamlessly fits multiple small oxygen tank sizes from M2 to C/M9, ensuring you’re always covered.
TANGLE FREE OXYGEN HOSE MANAGEMENT - Six strategically placed hose outlets prevent kinks and tangles, letting you move freely without hassle.

The iGuerburn Small Oxygen Tank Backpack is a durable, water-resistant carrier designed for small oxygen cylinders (M2 to C/M9). Featuring reinforced adjustable shoulder and chest straps, secure velcro tank holders, and six hose outlets, it offers ergonomic comfort and tangle-free oxygen delivery. With multiple pockets for essentials and a sturdy base, it’s the ideal travel companion for oxygen therapy users seeking freedom and style.

Specifications

ASIN	B07Y7Y7KZN
ASIN	B07Y7Y7KZN
Age Range Description	Adult
Apparel Closure Type	Buckle
Backpack Design	Daypack Backpack
Backpack Harness Type	Shoulder Harness
Brand Name	iGuerburn
Color	Red
Customer Reviews	4.6 4.6 out of 5 stars (358)
Customer reviews	4.6 4.6 out of 5 stars (358)
Fit Type	Adjustable
Is Discontinued By Manufacturer	No
Item model number	GEBUS027
Manufacturer	iGuerburn
Manufacturer	iGuerburn
Manufacturer Part Number	GEBUS027
Material Type	fabric
Model Name	Oxygen Tank Backpack
Number Of Pockets	6
Number of Compartments	7
Number of Items	1
Other Special Features of the Product	Reinforced Shoulder Straps, Velcro Straps, Four Hose Outlets
Outer Material	Polyester
Package Dimensions	29.11 x 26.7 x 10.21 cm; 390 g
Pattern	Solid
Product Style	durable
Recommended Uses For Product	Travel
School Type	High School
Shell Type	Soft Shell
Size	1 Count (Pack of 1)
Strap Type	Adjustable
Style Number	GEBUS027
UPC	700355064527
Unit Count	1.0 Count
Water Resistance Level	Water Resistant

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