TLF Phosban Reactor 150 Foam Disks 2/pk

Black reticulated foam sponges used to replace the original parts from the PhosBan Reactor 150. These replacement sponges may also be used for dividing the column in a reactor to segregate different types of chemical filter media, such as activated carbon, PhosBan, or adsorption resins. Packaged as a set of two.