In a win-win for sea animals and humans, a scuba diving group is turning plastic water bottles that once polluted oceans into face masks for people to protect themselves against the coronavirus.

The face masks are made by the Professional Association of Diving Instructors (PADI), in partnership with Rash'R, a company that sells eco-friendly active wear. Each reusable mask costs $20.40 and comes with five replacement filters. The price reflects the cost it takes to make each mask, PADI says on its website.

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