PurifyLogix Replacement Canister Filter Pads for Cascade 700/1000 CCF2UL/CCF3UL Generic Aquarium Floss Media, 2 Upgraded Activated Carbon-Coarse-Activated Carbon Filter Pads and 6 White Floss (8)

Upgraded formula: Instead of the traditional blue coarse cartridge, we use a 3-in-1 coarse cartridge with activated carbon, which better filters fine particles and adsorbs odors without restricting the flow of water, providing a healthier environment for your fish. Suitable for: Compatible with Penn-Plax Cascade 700/1000 All-in-One Aquarium Canister Filter. Sufficient quantity: Includes 8 PurifyLogix sponge bio filter pads (6white pads and 2coarse pads ): use one 3in1 Coarse Filter Pads and 3 white floss pads for two cycles at a time. Longer life cycle: Washable and reusable after cleaning. Efficient: Provides both mechanical and biological filtration