35505-1313 Pentair O-Ring

Marsoni

M251S

$13.00

Get it in 3 business days with 1 day shipping. Friday, May 29

35505-1313 Pentair O-RingPentair 35505 1313 Thermal Regulator Cap O Ring Replacement Sta Rite Pool Spa Heater and Valve

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As a new 1 year paramedic, this book was a lifesaver. This book encompasses weeks of teaching into an easy 45-minute read. I am more confident in my ekg assessment and ACLS treatments while not being confused by classic medical book jargon. I 100% recommend this book for new and student paramedic or even those who want a refresher from school. You can even supplement with further ecg strip practice on your own. Thank you!!

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Reviewed in the United States on September 26, 2024

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CarolAnn Pollard

Bozeman, US

★★★★★ 5

Made the material understandable

I was definitely struggling with EKGs until I read this book. I felt like it was able to dumb it down enough for me to understand. Definitely helped

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Reviewed in the United States on February 21, 2026

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Amazon Customer

Phoenix, US

★★★★★ 4

Good summary

Good, succinct summary of cardio basics for medics.

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Reviewed in the United States on October 29, 2024

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Lisaboo2u

Carnegie, US

★★★★★ 5

Useful information in easy to read format

Excellent real-world reference information that is easy to pick up and read small sections when you have time. First well in my bag and not bulky. Gives you just what you need to interpret EKGs quickly!

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Reviewed in the United States on December 21, 2024

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Michael Pires

Belleville, US

★★★★★ 5

Great book

Worth the read. Information is easy to understand and to the point

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Reviewed in the United States on September 8, 2025