Eureka Sanitaire Backpack Body Seal for SC412A / SC412B Compact It is the internal channel

It is the internal channel that carries the airflow through the machine

or D4 before ordering so the strap fits the cord

Targets: High ceilings

The cover shields the cogged drive belt from hair

and in vehicle interiors

Eureka Sanitaire Backpack Body Seal for SC412A / SC412B Compact It is the internal channelThis body seal (Part #B352 1200) is the gasket that seals the two halves of the housing on the Eureka Sanitaire SC412A and SC412B commercial backpack vacuum cleaners. The seal sits between the body shells so that all suction is routed through the filtration system and motor rather than leaking out at the seam. When the original seal hardens, cracks, or compresses flat, the backpack loses suction and can let unfiltered dust escape at the body joint. A