Master Spas 30 Sq. Ft. Microban Teleweir Filter for the Eco-Pur Mineral Purification Filter System.  Used with the X268513 Master Spas 16 Sq. Ft. Teleweir Eco-Pur Mineral Filter as part of the Eco-Pur Mineral Purification Filter System.  Used in all of the Twilight TS 120 & TS 240 model spas, & the Healthy Living Series spas.

Measures: 5″ (OD) x 8-5/16″ (Length), with 1-1/2″ Female SAE threads on both top & bottom end caps.  Alternate Part Number: PMA30SK-M