Marineland Penguin 170/200/330/350 Rite-Size C Filter Cartridges

Ready-to-use filter cartridges for Penguin Power Filters. Pre-assembled cartridges are packed with Black Diamond Pure Activated Carbon--works twice as fast and keeps working long after other carbons quit.

• Double-thick polyfiber pad.
• Makes aquarium water sparkle.
• Traps more dirt.
• Removes more impurities.
• Delivers maximum water to carbon contact.

Fits Penguin 170/200, Penguin 330/350 - Rite-Size C