20 Sq. Ft. Filter Element
Outside Diameter: 4-5/8"
Bottom Threads: 1-1/2" MPT
Same As: PHC25 (Pleatco), FC-0125 (Filbur), 4CH-20 (Unicel)
To replace this part number - PSG15 - Unscrew the short threaded Plastic stand pipe and thread this new filter in. It has the threads molded on the filter. The stand pipe is no longer needed