Convenient, no-fuss replacement cartridges for your Cascade 300 internal power filter.
Activated carbon removes ammonia & nitrites keeping your aquarium healthy.
Easy-to-replace disposable filters.
Penn-Plax is a great company that makes a spectacular variety of products for all kinds of pets including small animals, dogs, cats, reptiles, birds and aquarium fish at affordable prices! Our selection consists of mainly their superior aquarium filtration products and aquarium decorations. Check out the selection below!