Bellows - Koblenz U310 Bag & Dirt Cup Models XLS465 complete is the two-wire version

complete is the two-wire version for the 300 and 350 uprights

with dual-control handle

holding them in alignment while protecting them from debris

Part: 2-wire electrified hose with pistol grip and on/off switch

Tip: inspect the cord before each use for cuts or exposed wire

Bellows - Koblenz U310 Bag & Dirt Cup Models XLS465 complete is the two-wire versionThe Koblenz bellows (Part #12 0645 7) is a replacement air passage component for Koblenz U310 bag and dirt cup models, cross referenced to Koblenz 2505. The flexible bellows carries the airstream between sections of the vacuum while allowing the housing to flex and seal. When a bellows cracks, splits, or hardens, air leaks at the joint and suction at the nozzle drops. Installing a sound bellows re establishes a sealed air path so the full airstream