Lees Bio-Pin Ball Filter Media Blue 74ct LG

Lees Bio-Pin Ball Filter Media Blue 74ct LG

Marsoni

M251S

$23.99

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

Lees Bio-Pin Ball Filter Media Blue 74ct LGState of the art filter media for use in fresh and salt water wet dry systems. They may be connected together or randomly placed in the filter box. Bio Pin Balls help produce turbulence, aiding in the gas exchange process. The suggested usage is 1 gallon of Bio Pin Balls per 20 gallons for salt water or 35 gallons freshwater. Size Small. Each Bio Pin Ball has 110 Bio pins(drip points). There are 120 Balls per gallon, one cu ft. of media has

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We offer a 30-day return/exchange service after receiving.
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I finally got around to cleaning up the cable disaster on my home office desk and these grommets were exactly what I needed. They fit perfectly into the 2-inch holes I drilled, and the plastic feels surprisingly sturdy, not like that cheap, brittle stuff that snaps the moment you try to pop the cover back on. The little brush-like opening is a nice touch because it keeps the cords from sliding back down when they aren't plugged in, and the black finish looks really clean against my wood tabletop. For a 4-pack, the price was a total steal, and it honestly makes the whole setup look way more professional than just having raw holes in the desk. If humans are looking for a quick and cheap way to hide cord clutter, these are a solid bet.

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Reviewed in the United States on February 10, 2026

Verified Purchase

Amanda Schepeler

Boise, US

★★★★★ 5

Great product

Size: 50mm/2inch, Color: Black, Number of Items: 4

Works as described. Love that it came with a hole drill bit!

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Reviewed in the United States on February 24, 2026

Verified Purchase

MKR

West Palm Beach, US

★★★★★ 5

Desk grommet used on entertainment wall

Size: 50mm/2inch, Color: Black, Number of Items: 4, Size: 50mm/2inch, Color: Black, Number of Items: 4

I used this grommet for the entertainment center wall behind my TV and it looks good and works great. Came with all the tools I needed to cut the hole in the wall and install it.

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Reviewed in the United States on November 8, 2025