The Watts SF5-40 is a string wound water filter cartridge used in the following applications:
The Watts SF5-40 String Wound 40"x2.5" 15-Pack- 5 mic. is made with 100% pure polypropylene fibers. This Watts water filter features 5 micron filtration. This string wound filter measures 2 1/2 inches x 40 inches.
The Watts SF5-40 specifications: