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…

Out of stock
Color White
Size F2US21B
Gtin 810004172210
Mpn F2US21B
Condition new