EcoPlus Pump Filter Bag Large - 10 in x 12.5 in Large 10" x 12" Fine Mesh Pump Pre-filter Bag Eliminates Pump Clogs & Allows Easy Access to Pump Traps Dirt & Other Particles, Helping to Prolong the Life of the Pump Designed for use with Eco Plus Pumps but Can Be Used With Most Small Fountain Pumps & Aquarium Pumps (see the description below for a list of compatible Eco Plus Pumps)