【PLACEMENT MODELS】5A-402 Filter Cartridge compatible with Pleatco PJW40SC-F2M, Filbur FC-2811，Unicel 5CH-402, Length: 10-3/4"; Outside Diameter: 5-3/16"; Top: Bar Handle; Bottom: 2" Male Thread/MPT. Filtration Area: 40 sq. ft. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. AmiBron is an independent brand. 【NSF CERTIFIED】AmiBron spa&pool filter with NSF certified safe filter materials provides you with clean, fresh and clear water. Only select quality filters for your family to ensure the safety, health and happiness of your loved ones. 【EASY TO CLEAN】The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your Pool's performance. 【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed. We are committed to providing the better quality at good price. 【AMIBRON SLOGAN】AmiBron Protect Your Health. AMIBRON 5CH-402 Spa Filter Replacement for Jacuzzi 6540-723, Compatible With Pleatco PJW40SC-F2M, Filbur FC-2811，Unicel 5CH-402，2" Male Thread/MPT 40 sq.ft.Hot Tub Filter 2 Pack