As the official replacement filter set for iSpring direct connect undersink water filtration system US21B, this economical filter pack consists of one 10”x4.5” CTO carbon block filter(FC15B) and one 10”x4.5” GAC+KDF water filter(FG15B-KS). 1st stage…
| Color | White |
| Size | F2US21B |
| Gtin | 810004172210 |
| Mpn | F2US21B |
| Condition | New |