Two Little Fishies ATLPBRNPX 2 pack Phosban Reactor Screens for NPX

$3.99 $2.99 Save 25%
The Hoban Reactor is designed with the up flow principle to achieve the most efficient use of Hoban or other chemical filter media. By pushing water from the bottom upward through a dispersion plate, it forces an even distribution of water through the media and prevents channeling.