SUPERIOR FILTRATION: Aqupon Filters provides superior filtration and water flow for your aquariums. This is our PREMIUM aquarium filter solution!CUT TO FIT ROLL - Our PREMIUM AQUARIUM FILTER can easily be cut to any size that you needed. This will SAVE YOU LOT OF MONEY since you can adjust your size.LONG LASTING - We committed to provide long-lasting, non-toxic filtration.AS BETTER AS THE ORIGINAL - Aqupon Aquarium Filter Media duplicates or surpasses original equipment specifications100% SATISFACTION - We deeply value our customers and our confident with our product. If you are not 5-STAR satisfied with these towels for any reason at all, just return them hassle free through Amazon, within 30 days for a full refund.