It looks like you’re referring to the Echo Boost Salt 690-4 Cond/C, which is likely a chain saw bar and chain oil or a similar lubricant product from Echo (a brand known for outdoor power equipment).

Possible Interpretations:
1. Echo Boost Salt 690-4 Cond/C could be:
– A bar and chain oil designed for saltwater or corrosive environments (indicated by “Salt”).
– A conditioner/concentrate (Cond/C) for lubrication in harsh conditions.

2. Part Number Breakdown (if applicable):
– 690-4 might refer to a specific product code or viscosity grade.
– Cond/C could mean “Conditioner/Concentrate.”

Common Uses:
– Lubrication for chainsaw bars in marine or high-corrosion environments.
– Protection against rust and saltwater damage.

echo Boost salt 690-4 Cond/C

Where to Find More Info:
– Check the Echo official website or product manuals.
– Look for technical data sheets (TDS) or safety data sheets (SDS) if available.

If you meant something different (e.g., a different product or application), please clarify, and I’d be happy to help further!