Sizing A Filter Cartridge

INFORMATION NEEDED WHEN PROPERLY SIZING A FILTER CARTRIDGE FOR YOUR SPA

1. Measure the outside diameter of the cartridge (in inches, +/- 1/32").

2.Measure the cartridge length (in inches, +/- 1/16) including end caps but excluding any handles or other extensions.

3.Identify the cartridge outside edge end cap configuration using the photograph chart below. If the top and/or bottom is "open," measure the inside diameter (in inches, +/- 1/32) of the top and/or bottom.

4. Record the OEM name and model of the filter the cartridge came out of (if possible).

5. Count the number of pleats (+/- 2), and note whether there is a center core or not.