Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426K

Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426K

Marsoni

M251S

$49.99

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

Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426KThe Unicel C 4950 stands as a reliable, high output replacement filter cartridge tailored for the Pentair Rainbow 50 filtration system, covering 50 square feet of active filtering surface. Its rugged polyurethane frame paired with 100% polyester synthetic media forms a dependable barrier against dirt, debris, and fine suspended particles, keeping your pool or spa water immaculate. Compact dimensions of 4 15 16" in diameter and 13 5 16" in length,

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I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.

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Reviewed in the United States on May 23, 2026

Verified Purchase

Mopardodgegirl

Lowell, US

★★★★★ 5

It works! Quality pillow.

Size: Standard (1 Count), Color: Original White (Cooling)

This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.

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Reviewed in the United States on June 2, 2026

Verified Purchase

jin

Boise, US

★★★★★ 5

Most comfortable pillow I’ve ever slept on

Size: Queen (1 Count), Color: Crescent White(cooling)

This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.

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Reviewed in the United States on June 6, 2026