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Personal air-filter for use in the Dentist's chair

Test rig for window filtration of smoke/diesel particulate

Mini-CR made from two IKEA Starkvind filters.

AirPop Light SE review - claimed washable FFP2

Custom ear saver

Dentist's Chair Respirator Adapter - 3D printable.

Surgical masks from Costco

Dentists chair mask prototype

AirLab in nose filters (for dentist trips)

Spunbond polyester fabric - 360gsm

SBPP mask brace - Portacount results