8 to 24 Foot Dually Series 9024 Telescopic Pole - Dual Lock Systems (3-Piece) reagent-size_32 oz This is a Generic Filter

This is a Generic Filter Shaft O-ring O-47 replacement with dimensions for various pool filters

50 inches for the rail tubing and the distance between the front rail and back rail is 60 inches

The Pentair 25021-0202S Cartridge Filter Element for System 3 S8M150 Filters has a media area of 119 Square Feet and is made of superior reinforced polyester pleated material with polyurethane end caps

Please note the wording is not 4 inches

8 to 24 Foot Dually Series 9024 Telescopic Pole - Dual Lock Systems (3-Piece) reagent-size_32 oz This is a Generic FilterThis Dually telescopic pole 9024 has a dual locking system (Outside Lock and Nylon Internal Cam Lock). It has an overall length of 24 feet and will telescope down to 8 feet when not in use. It is manufactured from thick commercial grade tubing right here in the U. S. A. by Skimlite Manufacturing. With this pole you can lock both external and internal locks for more locking power on jobs that demand the most. You also have the option to only use one of