This is a replacement inner core for the EZ Bio 20. It is also the replacement core for the EZ Bio 11. It is just the 4 inch diameter grey core. It replaces the old style core which was a blue color.
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| Icons | SKU | Max GPH Prefilter | Max GPH Biofilter | Dimensions | |
|---|---|---|---|---|---|
99989 |
3,900 GPH |
1,300 GPH |
4.3" x 12.2" |
||
99989-OB |
3,900 GPH |
1,300 GPH |
4.3" x 12.2" |
||
99991 |
5,600 GPH |
1,870 GPH |
4.3" x 12.2" |
||
99990 |
10,000 GPH |
3,300 GPH |
7.9" x 7.9" |
||
99936 |
- |
- |
4" x 7.5" |
||
![]() Matala Replacement Green Tube for EZBio 20 |
99935 |
- |
- |
8" x 7.5" |