429011Ansul Sentry 20 lb Purple-K Extinguisher ← Previous Next → 429011 Ansul Sentry 20 lb Purple-K Extinguisher (PK20) (UL/ULC Rating: 120-B:C)429011 Ansul Sentry 20 lb Purple-K Extinguisher (PK20) (UL/ULC Rating: 120-B:C)