Pool Supply Haus does not want to drain the swamp, we want to help clean it! Make your pool water great again with our high-quality selection of both sand filters and cartridge filters in stock at our warehouse in Ottawa, Ontario. Filters remove dirt and debris, to help keep the water stay clean and clear in your swimming pool. From our Haus to your house! Browse our swimming pool cartridge filter options below. Need just the filter cartridge? Head over to our Replacement Cartridge Filters for your Hayward, Pentair & Waterco filter cartridge options.