Spend more time enjoying your pool with peace of mind knowing you have these quality Intex Pool Easy Set Type A or C Replacement Filter Cartridges keeping it clean and clear all day. Give your Intex pool its best performance by using genuine Intex brand, easy to clean, Dacron filter material. Replace this filter cartridge every 2 weeks for peak performance. For the 500, 530, 800, 1000 and 1500 gal/hr filter pumps models 28603EG, 28637EG, 28635EG, 28671EG, 58603E, 58604E, 56635E, 56636E, 56637E, 56638E and 58623 Intex filter pumps or "Krystal Clear" filter pumps models 02 and 12R. For the long healthy life of your pool, invest in this 12 pack of quality Intex Pool Easy Set Type A or C Replacement Filter Cartridges and let them go to work for you.