Specifications:

• Compatible Models:Height 13 3/16"; Outside Diameter: 5"; Bottom: 1 1/2" FEMALE SAE. This hot tub filter is compatible with Unicel 4CH-949, Pleatco PWW50L, Filbur FC-0172, SD-01143, 817-4050, Rising Dragon 50, Waterway Teleweir 50. #PLEASE NOTE: Our Spa filter are NOT original filters. PELLUCID is an independent manufacturer/Brand to design and produce water filters#
• Easy to Clean:Benefited from innovative and high-performance Trilobal fabric Design, PELLUCID spa filter cartridge are easier to capture and release dirt, so you can always keep your pool and spa clear and safe for you and your family. It is recommended that you can scrub every 2 weeks the fabric with a cartridge cleaner tool and rinse it with a garden hose.
• Premium Material:We're committed to creating affordable, high quality pool filters to ensures safe and healthy pool water. The filter fabric material is innovative Trilobal filter material for handling water contaminants on a higher level hardly comparable. The End Caps is made from durable, chemical resistant compounds. And the backbone constructed of high quality carbon fiber is solid one-piece construction for structural integrity.

4CH-949 Spa Filter for Compatible with Pleatco PWW50L Unicel 4CH-949 Filbur FC-0172 FC0172 SD-01143 Waterway 817-4050 Rising Dragon 50, Pool Hot Tub Filter Cartridge