Intex 18' x 10' x 42" Oval Frame Swimming Set with 1000 GPH GFCI Filter Pump This 18' x 10' Oval Frame Pool Set is an affordable and easy to set up alternative to more complicated steel walled pools The value of an Easy Set style pool combined with the classic shape of a rectangular pool to maximize value and swimming area Versatile and durable, the Oval Frame pool comes with rust-proof metal frames that brace each side, easy to assemble with snap-on joints eliminating the need for tools The wall PVC material is INTEX's SUPER-TOUGH PVC, which is high molecular PVC unaffected by gasoline, oil, and salt water. SUPER-TOUGH PVC is highly resistant to damage from abrasion, impact and sunlight. GFCI features cuts electrical current if components come in contact with water adding safety