Prime External Canister Filter (30-420 gph) - Hydor - FreshwaterAquarium.com
Amazon.com : Hydor Activated Carbon Freshwater Professional External Canister Filter Media – Low Ash Content for Fresh Water Aquariums – Produces Crystal Clear Water – Includes Mesh Bag – 100 GM Pouches – 3 Count : Petsuppliesmisc : Pet Supplies
Hydor Professional 150/250/350 Filter Replacement Intake Valve (Hydor pt# XC0302)
Hydor High Quality Professional Filter Pads For Filters Professional 150 - Walmart.com