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.
| SKU | Dimensions | Max GPH Prefilter | Max GPH Biofilter | Add | |
|---|---|---|---|---|---|
 $16.95 | 42 Points |
99936 |
4" x 7.5" |
- |
- |
|
 Matala Replacement Green Tube for EZBio 20 $23.95 | 60 Points |
99935 |
8" x 7.5" |
- |
- |
|
 $27.00 | 68 Points |
99989 |
4.3" x 7.9" |
3,900 GPH |
1,300 GPH |
|
 $31.00 | 78 Points |
99991 |
4.3" x 12.2" |
5,600 GPH |
1,870 GPH |
Out of Stock |
 $46.00 | 115 Points |
99990 |
7.9" x 7.9" |
10,000 GPH |
3,300 GPH |
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