Is this item returnable if it doesn't work for me?

NO! Not at all, Amazon says it's hazardous therefore non-returnable. What a JOKE! They can ship it but can't take it back? BTW, these are nearly empty upon arrival, not a hint of liquid in the cans, 50 breaths in each can? For a one lung baby maybe.

how much does each canister weigh?

Each canister weighs about 1.3 oz

Is there a propellent? What is the other 1-2%?

We are the only company that uses Vacuum Crimping. The only thing inside the can is Pressurized Oxygen. Video shows how we do this.

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Description

💨 Elevate your energy, anywhere, anytime — breathe the difference!

ON THE GO ENERGY - Compact 4L canisters fit effortlessly in your gym bag or backpack for anytime use.
PURE OXYGEN POWER - Experience a potent 99.7% oxygen boost for rapid recovery and enhanced focus.
SANITARY USER FRIENDLY - Flip-top cap design ensures hygienic, easy inhalation with just a press and breathe.
TRUSTED AMERICAN QUALITY - Proudly manufactured and filled in the USA, guaranteeing premium safety and reliability.
VERSATILE PERFORMANCE AID - Ideal for altitude adjustment, motion sickness relief, and mental clarity during busy days.

O2 Energy’s 99.7% Pure Oxygen Supplement delivers a clean, natural oxygen boost in lightweight 4-liter canisters, perfect for athletes and busy professionals alike. Made in the USA with a sanitary flip-top cap, each canister provides 50 breaths to enhance recovery, focus, and altitude adjustment on the go.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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