These are the aquascape designs bio falls filters pads that are used to replace the pads in the bio falls filter. Standard Bio falls filter pads size 14 x 26.5 x 28 This filter is trapazoid shaped. ponddepot@msn.com Copyright - All World Rights Reserved Pond pumps, Pond Kits and Pondless Waterfall kits, Underwater Pond Lights. Aquaclearer Extreme bacteria and String Algae Buster and pond fish food. Pond Depot provides Do-it-yourself pond kits and Pondless waterfall kits delivered right to your home at great prices! Thank you for shopping at Pond Depot you online pond superstore!