Headgear Builds Begin in Washington and Minnesota.

Remote Headgear Hood test builds by teams in Seattle and Minnesota begin. Meanwhile, our v.2.2 pattern and instructions have just been published

Open-Mask v2.3 PAPR Hood
Open-Mask v2.3 PAPR Hood

Digital laser pattern cutting of Tyvek 1443R material

Open-Mask.org Prototype PAPR Respirator Hood v2.3 Pattern Cutting

Preliminary PortaCount PAPR Hood infiltration testing is scheduled for Friday, April 3rd, 2020.

Portacount Test Unit
Portacount Mask and Hood Infiltration Tester

Portacount Test Unit

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