Penn-Plax Cascade All-In-One Aquarium Canister Filter - For Tanks Up To 150 Gallons (315 GPH) - Cascade 1200

Penn-Plax Cascade All-In-One Aquarium Canister Filter - For Tanks Up To 100 Gallons (265 GPH) - Cascade 1000

Penn-Plax Cascade 300 Power Hang-On Filter, 100-Gal

Penn-Plax Cascade 600 Fully Submersible Internal Filter - Provides Physical, Biological, And Chemical Filtration For Aquariums And Turtle Tanks

Penn-Plax Cascade 150 Power Fish Filter. Blue

Penn-Plax Cascade 170 Internal Aquarium Filter

Penn Plax Cascade 1200 Aquarium Canister Filter

Penn-Plax Cascade 300 Internal Aquarium Filter

Penn-Plax Cascade 300 GPH Hang On Replacement Media For The Cascade 300 Filter, 3 Pack

Penn-Plax Cascade 150 Or 200 GPH Hang On Filter Aquarium Bio Sponge Replacement 1 Pack Cut To Fit Cascade 150 Or 200

Penn-Plax Cascade 100 Power Hang-On Filter

Penn-Plax Cascade Aquarium Filt-A-Pack, 2 Count

Penn-Plax Cascade Max Flow Canister Filter, 820 GPH

Penn-Plax Cascade Bio-Sponge 500 Aquarium Filter, Medium

Penn-Plax Cascade 300 GPH Hang On Aquarium Filter Cartridge Replacement 1 Pack

Penn-Plax Cascade Aquarium Bio-Sponge 1200 & 1500 Filter, Medium