Shark don't sell parts, but you may be able to fashion something out of foam. Alternatively, an aftermarket manufacturer may make them; can you attach a photo of the filters? More on reddit.com

Where do I find replacement filters for the UV730 or what is compatible – Learn about Shark - Refurbished Navigator Lift-Away Upright Vacuum w/ PowerFins Self-Cleaning Brushroll, HEPA Filter, LED Headlights - Gray with 1 Answer – Best Buy More on bestbuy.com

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Thank you for visiting r/VacuumCleaners . To get the most out of your post, be sure it follows the post guidelines on the sidebar. This comment will include information on some frequently discussed topics just in case your post pertains to them. Otherwise, feel free to ignore the below links. Helpful Links: Recommended Vacuum Cleaners (U.S. Market, May 2021) Find the Right Type of Vacuum (Flow Chart) - IF YOU'RE NEW, START HERE Miele Canister Guide (U.S. Market, May 2020) Differences between SEBO Felix, SEBO Dart, and Karcher CV300 Guide to Canister Tools: Suction-Only, Combo, Turbine/Turbo and Electric/Power/Motorized Nozzles Reviews by /r/VacuumCleaners Users If you are looking for Purchase Advice and you live outside the U.S., let everyone know in your post so we can tailor suggestions to your market. I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. More on reddit.com