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Penn-Plax Cascade 300 Replacement Bio-Sponge - 1 Pack Black, 2x1.75x1.75 in
✅ In stock
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 3, 2026 8:26 PM · 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 is slightly above the going rate for this product — worth watching for a drop.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
NAVIRA.
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Clearer Water Support - Keep your aquarium fresh and help reduce visible debris! This replacement bio-sponge for the Cascade 300 (CIF1) captures dirt and debris, restoring strong water flow and vibrant tank clarity.
✓Balanced Aquatic Environment - Promotes balanced water by supporting mechanical and biological filtration - perfect for creating a clean, well-maintained environment for your freshwater or saltwater fish.
✓Easy Clean, Easy Reuse - Rinse in aquarium water, reuse, and keep filtering! Designed for long-lasting use, it helps maintain natural filtration balance and dependable filtration with minimal effort.
✓Perfect Fit Every Time - Comes with one black sponge measuring 2” (L) x 1.75” (D) x 1.75” (H). Custom-shaped to fit the Cascade 300 Fully Submersible Internal Filter (CIF1) for smooth, steady performance.
✓Inspired by Penn-Plax - With decades of experience creating trusted pet products, Penn-Plax designs habitats that blend reliability and ease - helping pet owners care for their small companions with confidence and creativity.
⚙️ Specifications
0.352 ounces
Unisex-Adult
Penn Plax
B0002DJD2Q
CIF1FI
4.5
January 11, 2008
4.37 x 2.24 x 1.89 inches
5 x 3 x 3 inches
Penn-Plax
Fish, algae-eaters, mollusks, octopuses, rays, snails
Simply clean the Sponge in a separate container with some of your aquarium’s water.
Warranty
Penn-Plax Cascade 300 Filter Replacement Bio-Sponge (1 Sponge) – Provides Filtration for Freshwater and Saltwater Aquariums
black
1-Pack Bio Foam
Plastic
All Life Stages
Cascade 300 Replacement Bio-Sponge
Penn-Plax Cascade 300 Filter Replacement Bio-Sponge (1 Sponge) – Provides Filtration for Freshwater and Saltwater Aquariums
Item Weight
0.352 ounces
