Compatibility: The floor nozzle hose is compatible with Shark Navigator Lift Away vacuum NV350, NV351, NV352, NV356, NV357, UV440. Replace part No. 193FFJ..Premium Quality: nozzle hose is made of premium material, Which is perfectly sealing, durable and safe. And it can be washable and reusable.Our nozzle hose part ensures deeper and cleaner surfaces. The cleaners can absorb household dust and keep your home clean..Easy to install: Simply remove the older nozzle hose and replace. Perfectly fits with Shark Vacuum Cleaner..30 days’full money back guarantee. Don’t heistate to contact us with any questions, we will do our best to satisfy your need.