Penn-Plax Cascade 170 Filter Replacement Bio-Sponges (2 Sponges) – Provides Physical and Biological Filtration for Freshwater and Saltwater Aquariums

Penn-Plax Cascade 170 Filter Replacement Bio-Sponges (2 Sponges) – Provides Physical and Biological Filtration for Freshwater and Saltwater Aquariums

• REPLACEMENT FILTER MEDIA: These Bio-Sponges are specifically designed for the Cascade 170 Fully Submersible Internal Filter (CIF4), and serve as a replacement for when it’s time to cycle out filter media.
• PHYSICAL & BIOLOGICAL FILTRATION: These replacement Bio-Sponges optimize the colonization of anaerobic bacteria, along with providing mechanical filtration that traps large particulate matter.
• 2-PACK: The package contains 2 Bio-Sponges. Although they are disposable, they can be reused time and time again. Simply clean the Bio-Sponges in a separate container within some of your aquarium’s water. This allows for the colony of anaerobic bacteria to remain intact within the Bio-Sponges.
• MEASUREMENTS: 1.2” (L) x 1.3” (D) x 1.6” (H) each.
• SHOP PENN-PLAX FOR ALL YOUR PET’S NEEDS: Penn-Plax is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.

The Penn Plax Cascade 170 GPH Internal Filter Bio Sponge keeps the water in your aquarium or terrarium clean and clear. This Cascade filter removes ammonia and nitrites from the water keeping your fish tank healthy; clean; and odor free. This bio sponge also optimizes the colonization of beneficial aerobic bacteria which prevents cloudy water and excess CO2 which can harm. Made specifically to fit the Cascade 170 Internal Filter; this replacement bio sponge fits securely without gaps that lead to weaknesses in filtration strength. An exact fit keeps debris and contaminants from getting through your filtration system and back into water. Made of a durable poly-fiber; this bio sponge filter is made to last for several months under normal conditions. When used together; the Cascade 170 Model CIF4 Internal Filter and Cascade 170 filter cartridges provide maximum protection against water pollutants from harming your fish.