Commonly referred to as "Fast Flow" or "High Performance" extinguishers. Available in {{convert|13.2|lb|abbr=on}}., 20lb20 lb., and 30lb{{convert|30|lb|abbr=on}}. capacities and contain [[ABC Dry Chemical]], [[Purple-K]], or [[sodium bicarbonate]]. They are currently manufactured by Ansul in cartridge-operated form and Amerex in stored pressure design.
=== UL Rating Differences for "Fast Flow" ===
Line 12:
-Low UL rating = High flow rate
<nowiki>Example- A 20lb{{convert|20|lb|abbr=on}}. ABC Compliance flow has a UL rating of 20A, 120 BC.--- A 20lb{{convert|20|lb|abbr=on}}. ABC Fast Flow has a UL rating of 4A, 40 BC.</nowiki>
