FC-3637 Replacement Pool Filter Cartridge - 40 Sq Ft

FC-3637 Replacement Pool Filter Cartridge - 40 Sq Ft

Marsoni

M251S

$53.60

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

FC-3637 Replacement Pool Filter Cartridge - 40 Sq FtReplacement swimming pool filter cartridge element. Specifications Type Filter Cartridge Filtration Area 40 sq ft Outside Top (OT) 1 1 16" Outside Bottom (OB) 1 5 8" Diameter 5 3 16" Length 19 5 8" Media Weight 4 oz MPN FC 3637 Cross References 14006, 305787, 37 0214, 4900 172, 4900 59, 609464, 645544036377, AK 4033, C 5637, PLE 051 9542, PPM40

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The stick facilitates powerful, long distance throws. The ball makes a light whistling noise (to help your dog track the ball) through the air, flys far, and has held up well. I live in an area with mountain lions, and they often hunt at night, so I haven’t taken advantage of the glow-in-the-dark feature.

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Reviewed in the United States on February 28, 2026

Verified Purchase

Verucat

Los Angeles, US

★★★★★ 5

Yes!

Size: Medium

Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.

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Reviewed in the United States on September 28, 2025

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JJ Fording

Cuba, US

★★★★★ 5

Balls

Size: Medium

My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.

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Reviewed in the United States on February 7, 2026

Verified Purchase

Steve just Steve

Port Orchard, US

★★★★★ 5

Nice set of balls

Size: Medium

The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.

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Reviewed in the United States on January 9, 2026