ATI Hydro Sponge Pro Filter #4 Boxed With New Gravel Base mirror light dome The unique “dry water conditioner”

The unique “dry water conditioner” combines stabilizing biological filtration with effective and quick pollutant removal of water conditioning

Selectively removes nitrite

Highly energy efficient broad-spectrum daylight bulb

thus it is important to restore them on a regular basis

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ATI Hydro Sponge Pro Filter #4 Boxed With New Gravel Base mirror light dome The unique “dry water conditioner”The all new pro series has reticulated sponge for higher flow rates when using a power head without clogging. Great for breeders and hatcheries and heavily saturated tanks. The ATI sponge filters are excellent biological as well mechanical filters that only need a source of air to operate. They are excellent for fry tanks because they won't suck up your babies! For aquariums up to 80 gallons. Sponge size 4 x 4. 75 Inches Boxed Hydro Sponge Filters