Spare media for FRF-555, 555HT, 370, 370HT, 330, 440, 380, 270.
A redesigned cartridge, which now makes changing a breeze, besides the usual filter wool, activated carbon & bio rings, it also comes with Zeolite, a substance that removes ammonia.
Please note : The FRF-025CT can also be used in place of FRF-555/M & FRF-440CT for our older aquariums