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She'll do whatever it takes to keep Mrs. Maisel up and running.

And Rachel Brosnahan took extreme COVID-19 safety measures as she made her way around the New York City set carrying an umbrella fitted with a HEPA filter on Wednesday morning.

The 30-year-old actress looked ready for filming while wearing a gorgeous teal pencil skirt with a matching peplum top ahead of filming the fourth season of her award-winning Amazon show, The Marvelous Mrs. Maisel. 

© Provided by Daily MailSafety first: Rachel Brosnahan took extreme COVID-19 safety measures as she made her way around the New York City set carrying an umbrella fitted with a HEPA filter on Wednesday

Rachel stepped out in full costume on the upper-Manhattan set of the '60s-inspired program which follows her characters rise through the ranks of a male-dominated world of stand-up comedy.

She rocked a colorful pair of patterned pumps and wore a lime green hat on top of her head while pounding the pavement outside of rows of trailers lining city streets.

Most noticeably, Brosnahan carried her trusty clear plastic umbrella which has been outfitted with a HEPA filter.  

© Provided by Daily MailCity slicker: The 30-year-old actress looked ready for filming while wearing a gorgeous teal pencil skirt with a matching peplum top ahead of filming the fourth season of her award-winning Amazon show, The Marvelous Mrs. Maisel

© Provided by Daily MailStar power: Rachel stepped out in full costume on the upper-Manhattan set of the '60s-inspired program which follows her characters rise through the ranks of a male-dominated world of stand-up comedy

HEPA stands for high-efficiency particulate air and can reduce particles in the air, and while a filter cannot kill COVID-19, it can help circulate purified air.

She told an Instagram follower recently that the Maisel production team's 'Covid compliance genius' came up with the 'HEPA bubbles' and she's currently 'taking pitches for names.'

In addition to providing safety amid the COVID-19 pandemic, the umbrella also protects Rachel's hair and makeup from budging due to face mask issues. 

Unique appoach: She told an Instagram follower recently that the Maisel production team's 'Covid compliance genius' came up with the 'HEPA bubbles' and she's currently 'taking pitches for names'

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She's rarely seen without her new favorite umbrella and recently joked about Sunday in the park with COVID. 

Brosnahan later stepped out wearing jeans and a black jacket for a quick break between scenes. 

Maisel costars alongside Michael Zegen, Marin Hinkle, Tony Shalhoub and breakout star Alex Borstein, who has also been awarded an Emmy for her work on the series. 

© Provided by Daily MailGreat cast: Maisel costars alongside Michael Zegen, Marin Hinkle, Tony Shalhoub and breakout star Alex Borstein, who has also been awarded an Emmy for her work on the series