WW1: Aviator's oxygen mask in position and ready to use. Note the handwritten caption on the photo. WW1 planes could not safely fly at 10,000 ft, ceiling for deploying oxygen masks, so the development of the device looked at the future.

WW1: Aviator's oxygen mask in position and ready to use. Note the handwritten caption on the photo. WW1 planes could not safely fly at 10,000 ft, ceiling for deploying oxygen masks, so the development of the device looked at the future.

An anti-pollution biological mask naturally releases oxygen, providing fresh air to people in urban areas, especially during pollution peaks.

An anti-pollution biological mask naturally releases oxygen, providing fresh air to people in urban areas, especially during pollution peaks.

I wonder if this HAT, Mask, Or OXYGEN MASK comes with it's own tank?.

I wonder if this HAT, Mask, Or OXYGEN MASK comes with it's own tank?.

WWII pilots suit. A tad sinister this one but those full face masks were really necessary in aircraft that were often unheated.

WWII pilots suit. A tad sinister this one but those full face masks were really necessary in aircraft that were often unheated.

"Not all toxic people are cruel and uncaring. Some of them love us dearly. Many of them have good intentions..."

"Not all toxic people are cruel and uncaring. Some of them love us dearly. Many of them have good intentions..."

Positive Respiration Accessories : Whiff Air Pollution Mask

Positive Respiration Accessories

Allied Healthcare Simple Oxygen Mask with Adjustable Noseclip: Allied Healthcare Simple Oxygen Mask with… #Medical #MedicalSupplies

Allied Healthcare Simple Oxygen Mask with Adjustable Noseclip: Allied Healthcare Simple Oxygen Mask with… #Medical #MedicalSupplies

1/6th Scale Pilot Helmet & Oxygen Mask

1/6th Scale Pilot Helmet & Oxygen Mask

We have the largest selection of scale items for figures Boxed & Loose

Oxygen Delivery System: Room air is 21%..Oxygen mask may deliver up to 100% O2. Partial rebreather mask 8-11 L/m conserves about 1/3 of your exhaled air; should deflate slightly. Nonrebreather used to counteract smoke inhalation/ any short term therapy requiring 80-100% O2. Shouldn't deflate. No more than 3 L/m for COPD pts. Ventimask delivers exact low flow conc of O2. Provides air-O2 mixture.

Oxygen Delivery System: Room air is 21%..Oxygen mask may deliver up to 100% O2. Partial rebreather mask 8-11 L/m conserves about 1/3 of your exhaled air; should deflate slightly. Nonrebreather used to counteract smoke inhalation/ any short term therapy requiring 80-100% O2. Shouldn't deflate. No more than 3 L/m for COPD pts. Ventimask delivers exact low flow conc of O2. Provides air-O2 mixture.

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