Aquascape EXT Pump O-Ring Kit is a product listed under the Aquascape brand. Provides the Proper Seal to Extend Pump Lifespan. Use During Aquascape EXT Pond Pump Maintenance. Replaces Worn or Damaged O-Rings and Impeller Gasket Specifications and pricing on this page reflect the data published by the source retailer at the most recent catalog refresh. Verify the current listing on the retailer page before purchase.