6-Pack, Size B, Rite-Size Cartridge Refills

This was a fair price for the exact filter I needed. I like the fact in came in a 6 pack, which will last me awhile. Thanks!

JUST WHAT I NEEDED

works in aqua-tech filters also

Yes they did

Perfect fit and great amount so I dont run out.

Exactly what I needed for our fish filter.

Good seller

About the only kind available. Soooo

Works great

Nothing beats the OEM original stuff!