18' x 48" Intex Easy Set Pool Package The Easy Set Pool is affordable and easier to set up alternative to more complicated steel walled pools. Simply spread out on level ground, inflate top ring, and fill with water No digging, sand or tools needed for setup! Built in GFCI (ground fault circuit interrupter) instantly shuts off pump if electrical current comes in contact with water making your swimming experience more safe One Type "A" cartridge (59900E) for the filter pump is included to get you started