Product name： ISTA Ammonia Minus Media Filter Sponge 18"x10" PAD
●Even, fine and porous tissue structure assures its powerful chemical absorbing ability.
●Chemical & Mechanical Dual stage filtration.
●For use in custom sumps/refugiums, hang-on filters, prefilter boxes, and more.
●Professional grade. Quick absorbing action with long term effectiveness.
●It can be cut to fit any size of your filter
●Safe for both freshwater and marine aquaria.
18" x 10" x 0.39" / 45.7 x25.5 x1cm (LxWxH)