Your pool needs just as much tender, loving care during the off season as it does during the swim season, and this Intex 13' by 12" Easy Set Pool Cover provides just that. Your pool is way too much fun in the sunny summer time to be affected by debris and be forgotten about on the chilly days of the year. Keep your pool in tip top shape all year long with this above ground cover for 13 foot Easy Set pools that features a 12 inch overhang for the perfect fit. It has a tightening rope to help keep it from blowing off and includes drain holes to prevent water accumulation. This package also includes a 2-pack of Type A or C filter cartridges. Get 2 filter cartridges in the Intex Easy Set Pool Type A or C Filter Cartridge Twin Pack. Give your Intex pool it's best performance by using genuine Intex brand, easy to clean, Dacron filter material. Brand new from Intex: shrink wrapped with original litho labels. Replace your filter cartridge as often as every two weeks to maximize your pool's sparkle. For the 500, 530, 800, 1000 & 1500 gal/hr filter pumps models 28603EG, 28637EG, 28635EG, 28671EG, 58603E, 58604E, 56635E, 56636E, 56637E, 56638E & 58623 Intex filter pumps or "Krystal Clear" filter pumps models 02 & 12R.