Compatibility: These 4122 vacuum bags are compatible with for Canister Vacuum models 4122, 4122D, 1668, 1668W, 1668C, 2154, 2154A, 2154W, 1608, Part# 213-8425, 2138425. NOT compatible with 22Q3. High Efficiency: The double-layer design of these 4122 vacuum bags for allows air to pass through while filtering dust efficiently. The inner layer prevents dust from entering, and the outer layer maintains optimal suction. Fine Quality: Made with premium materials, these vacuum cleaner bags for are built to last and effectively contain all dust particles, providing reliable performance every time you clean. Replacement Tips: For best performance, replace the replacement bag for when it is half to two-thirds full or appears bulging to maintain efficient suction. Value Pack: Package contains 22 pack dust bags 2138425 for , providing a long-term solution and better value for your money. Colour:As Shown Material:Paper Package Contents: 22 * dust bags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.