Aqueon Ammonia Reducer for QuietFlow LED Pro Power Filter 20/75

Aqueon Ammonia Reducer for QuietFlow LED Pro Power Filter 20/75 are designed to address common water issues. The pads are pre-cut to fit in the Aqueon QuietFlow LED PRO Power Filter Bio-Media Grid.Ammonia Reducing Pads help to remove excess harmful or toxic ammonia.Pre-cut for easy installation.Fits in QuietFlow PRO Power Filter 20/75.For optimal performance, replace approximately every 2 to 3 weeks