Two Little Fishies Foam Disks for 550 Model Reactor, Set of 2
$7.99
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Black reticulated foam sponges used to replace the original parts from the PhosBan Reactor model 550. These 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.
