GLI 55-2804WH-TK Whirlwind Above Ground Reel Pool Cleaning Tube Kit, 4-Inch by 28-Feet This above ground whirlwind reel tube kit is made of heavy duty aluminum tube kits These are predrilled for easy installation and includes all necessary hardware Fits whirlwind above ground reel system 4-Inch diameter tube kit for above ground pool up to 28-feet wide