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Bag needs to be large enough and well sealed. Many readily available polyethylene bags are usable.

Adequate seal and gas flow are readily readily monitored by bag's positive pressure inflation.

View window is easily added to any bag using packing tape and a piece of transparent plastic sheeting such as laser print film or scavenged mask visors.

Because Bunny PAPR uses a large volume, compliant bag, wearer can take full size breaths. As a positive pressure system, wearer is also spared the work of pulling air through a filter.

Clear presentation covers are an excellent, stronger and more optically clear alternative to laser transparency sheets. 8.5 x 11 inch cover makes two large view windows.

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