AQUANIQUE Replacement Filter Pads The Replacement Filter Pads for Universal Pump Filter Box and Filter Kit with Pump contain 2 filter pads for use in the aquanique models QFUPFB and QFKP. Includes 2 rectangular filter pads, 1 coarse and 1 fine. We recommend changing filter pads yearly for optimum cleaning performance. Nature-friendly, safe for fish and plants 1 year warranty