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Penn-Plax Cascade 400 GPH Filter Replacement for CIF2 Filter. Bio-Sponge (1 Sponge) – Provides Physical and Biological Filtration for Freshwater and Saltwater Aquariums
✅ In stock
⭐ Lowest price we've tracked
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 2, 2026 7:00 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 🏷️The listed retail price is trimmed by 3% at checkout.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0.11/28
Recent Value
0/22
Market Standing
0.65/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Kens Fish
🚚 Shipping
Free Shipping
Product Details
✓REPLACEMENT FILTER MEDIA: This Bio-Sponge is specifically designed for the Cascade 400 Fully Submersible Internal Filter (CIF2), and serves as a replacement for when it’s time to cycle out filter media with a replacement.
✓PHYSICAL & BIOLOGICAL FILTRATION: This replacement Bio-Sponge optimizes the colonization of anaerobic bacteria, along with providing mechanical filtration that traps large particulate matter.
✓1-PACK: The package only contains a single Bio-Sponge. Although they are disposable, they can be reused time and time again. Simply clean the Bio-Sponge in a separate container with some of your aquarium’s water. This allows for the colony of anaerobic bacteria to remain intact within the Bio-Sponge.
✓MEASUREMENTS: 2.2” (L) x 2.3” (D) x 4” (H)
✓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.
⚙️ Specifications
Brand
Penn-Plax
Special Feature
Multi Stage Filtration
Product Dimensions
2.2"L x 2.3"W x 4"H
Material
Plastic, Stainless Steel
Capacity
400 gallons
Included Components
Bio-Sponge
Package Information
Bag
Installation Type
Aquarium" or "Submersible
Purification Method
Mechanical Filtration
Power Source
Corded Electric
Item Weight
0.27 g
