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Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
For Your Every Summer RSVP, with Code: SUMMER15
Description
Once Upon a PrimeA hugely entertaining and well written tour of the links between math and literature. Harts lightness of touch and passion for both subjects make this book a delight to read. Bookworms and number lovers alike will discover much they didnt know about the creative interplay between stories, structure and sums. Alex Bellos This exuberant book will educate, amuse and surprise. It might even add another dimension to the way you read. The Sunday Times We

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4.9 ★★★★★
Based on 2335 reviews
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Product Reviews
★★★★★ 5
Great filter!!
Great filter, easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2025
★★★★★ 5
Price
Very nice active coal
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Reviewed in the United States on February 6, 2025
★★★★★ 2
Weird Smell
Good for but the carbon has a weird smell. I have a sensitive nose and I'm not a fan. Going to replace with a regular filter without the activated carbon.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Good quality
Fits perfectly
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Perfect fit for boyh filters
Watched a youtube video, easy changed both filters in 10 minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
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