A:Answer Hi,BellaFromPittsburgh. Thank you for your inquiry! You can typically find replacement hose kits, including rings, for portable air conditioners at hardware stores, home improvement centers, or online retailers. You may also want to check with the manufacturer directly or search for compatible replacement parts for your specific model of Insignia™ portable air conditioner. If you have difficulty finding the parts you need, reaching out to customer support for assistance may be helpful. Keith | Insignia Support https://www.bestbuy.com/site/insignia-300-sq-ft-portable-air-conditioner-white/6393204.p?skuId=6393204