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Use the form to ask about Sigma Cap Pro products, technical specifications, or compatibility questions.
For Purchasing
Sigma Cap Pro is available through WD Armstrong buying group members. Find a distributor near you.
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Quick Links
- Capacitor Calculator - Find the pods you need
- How It Works - Learn assembly basics
- Documentation - Full technical details
- Find a Distributor - Purchase Sigma Cap Pro
Sigma Cap Pro
US Patented
Made in USA