Aquarium Solutions Bacto-Surge Foam Filters Provide Exceptional Biological And Mechanical Filtration Using The Highest Quality Foam Sponge Available To Provide Ample Surface Area For Beneficial Bacteria.

A Unique Air Dispersion Design Pulls Water Through At A Higher Rate For Thorough Filtrationexceptional Foam Sponge Quality Supports Efficient Bio-Filtrationlarge Surface Area Supports Increased Beneficial Bacteria Populationshelps Break Down Aquarium Waste And Remove Suspended Debrisideal Mechanical And Biological Filter For Small-To-Medium Tanksbacto-Surge Filters Feature Higher Foam Density Per Square Inch To Provide Maximum Surface Area For The Beneficial Bacteria That Eliminate Organic Waste From Your Aquarium Water.

These Filters Also Feature A Unique Air Dispersion Design That Maximizes Uplift To Pull Water Through At A High Rate Meaning More Water Runs Through The Filter In Less Time. Locking Internal Connectors Prevent Separation During Use And A Heavy Base Keeps The Sponge Filter Firmly Secured.

Specifications: Miniaquariums: Up To 10 Gallonsdimensions: 1.77''H X 2.17''Dsmall: Aquariums: Up To 40 Gallonsdimensions: 2''H X 4.75''Dlarge: Aquariums: Up To 75 Gallonsdimensions: 4''H X 4.5''Dx-Large: Aquariums: Up To 125 Gallonsdimensions: 5.75''H X 6.25''Dideal For: Nano Aquariumssmaller Freshwater Aquariumsbreeding Tanksfry Holding Tanksquarantine Tanksslow-Moving Fish Like Discussaltwater Polishingimportant: Requires An Air Pump Airline Tubing And/Or Powerhead For Operation (Sold Separately).

• Perfect For Use In Freshwater Or Marine Applications
• Highly Porous Sponge Maximizes Bacterial Action
• Increased Surface Area Offers Maximum Bacteria Colonization
• Soft Sponge Material Offers Easy Cleaning
• Sponge Designed For Longer Life