Key features

• •Compatible with marineland magnum hot polishing internal canister filters,fits above and below cartridge filter.
• •For use with salt or fresh water.
• •1 1/2"(3.8cm)center diameter for full water flow,2" OD(5.08cm)pletely seal canister,full 1/8" (0.32 cm)Thick.
• •Quick and hassle-free installation—simply remove the old gasket and replace it with the new one. No special tools required, so you can get your filter back up and running in minutes.
• •Product include a total of 4pcs rubber gasket, which can completely meet your daily use needs and replacement.