Granular Activated Carbon Water Filter Cartridge Big Blue 20 1)NSFcarbon 2)No black water. 3)Manufacturer. Output 50000pcs/M

1)About  Granular Activated Carbon Water Filter Cartridge Big Blue 20:

GAC20BB:Granular activated carbon;Fits most standard sized  20"x4.5" Big Blue/Jumbo Filter Housing.

2)About YUNDA FILTER CO.:

 

 

3)Pictures of Granular Activated Carbon Water Filter Cartridge Big Blue:

 

General type and Refillable type:

 

 

 4)Pictures of the other GAC/UDF Water Filter Cartridges:

 

 

 

 

 

Granualr Activated Carbon Water Filter Cartridge Big Blue 20