COMPATIBILITY: The vacuum belt replacement perfectly compatible with Kenmore UB-1 4369591 Upright Vacuum Cleaner, Replaces 20-5240 and 20-5275 PREMIUM QUALITY: Made of high quality rubber, the upright vacuum belt is safe, durable and flexible. These belts keep your vacuum machine working in prime condition EASY TO REPLACE: 4 Pack Replacement Belts. Simply remove the damaged belt from your vacuum head and replace this new drive belt in the original position, bring your vacuum cleaner back to life REPLACEMENT CYCLE: For optimum performance, replace your vacuum parts every 3 to 6 months to keep your machine cleaning performance TIPS: If you are not sure if the is the correct belt for your model please message me with your model number COMPATIBILITY: The vacuum belt replacement perfectly compatible with Kenmore UB-1 4369591 Upright Vacuum Cleaner, Replaces 20-5240 and 20-5275