Check the listing for details. Bio Sponge Filter Media Pad Cut-to-fit Foam 35"for Aquarium Fish Pond Reef Tank. Condition: New. Listed at 9.64 USD. Bio Sponge Filter Media Pad Cut-to-fit Foam 35"for Aquarium Fish Pond Reef Tank Universal Bio Sponge Pad cut to fit most aquarium filters. Just cut the filter to the desired size and start using it. Last long and maintain a healthy tank. Cut-To-Fit filter media Bio Sponge. Can be cut to fit your filters.Good for both biological and mechanical filtration - offers more surface area for the beneficial nitrifying bacteria to colonize, eliminate toxic compounds and improve water quality ; trap large bits of waste, and will not get clogged easily.Size: 35.4"x 11.8"x 0.79" (inches) We accept payment via Paypal only. Your order will be shipped in 24 hours Monday thru Friday after receipt of your payment. We ship your order by USPS or Fedex. All items come with 30 days store warranty. Please let us know if you find any damage or defect after receipt of your item. We will exchange one for you. Listing and template services provided by inkFrog