![Darlly Spa/Pool Replacement Filter Cartridge [42515] (Filbur FC-6305) Spa Filters: Replacement Cartridges - Filbur 4" Outside Diameter Cartridge 42515](http://bathparts.com/cdn/shop/files/42515.jpg?v=1762987464&width=1000)
![Darlly Spa/Pool Replacement Filter Cartridge [42515] (Filbur FC-6305) Spa Filters: Replacement Cartridges - Filbur 4" Outside Diameter Cartridge FC-6305](http://bathparts.com/cdn/shop/files/FC-6305.jpg?v=1763479533&width=1600)
![Darlly Spa/Pool Replacement Filter Cartridge [42515] (Filbur FC-6305) Spa Filters: Replacement Cartridges - Filbur 4" Outside Diameter Cartridge 42515](http://bathparts.com/cdn/shop/files/42515_1024x.jpg?v=1762987464)
![Darlly Spa/Pool Replacement Filter Cartridge [42515] (Filbur FC-6305) Spa Filters: Replacement Cartridges - Filbur 4" Outside Diameter Cartridge FC-6305](http://bathparts.com/cdn/shop/files/FC-6305_1024x.jpg?v=1763479533)
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Darlly Spa/Pool Replacement Filter Cartridge [42515] (Filbur FC-6305)
4-15/16" OD 14-9/16" L 2-1/8” Open Top2-1/8” Open Bottom