sunset filters type a/c pool filter cartridge for intex filter pump, inground and above ground pools, summer waves pool filter type a or c, made of dacron fibre, re-useable (3 pack) sunset filters the clearest water in the world is right in your backyard. with sunset filters, you can keep your pool cleaner for longer. our type a and c pool filter replacement cartridges are reusable and easy to wash, and they keep your swimming pool purer than your average pool pump. <br> <br>take a dip in your above-ground pool knowing that you won’t have to change your pool pump filter for another 2-3 weeks. swimming has never been smoother.