SPAL™ is recognized worldwide as the leader in automotive cooling fan technology, supplying products tailored specifically to meet today's rigorous cooling requirements. All Spal Fans are 12 volt. Available in sizes from 6" to 16" in diameter, push or pull type, with airflows from 248 CFM to 1300 CFM. Recommended for all applications; from street rods and passenger cars and trucks to race car water radiators, oil coolers and differential coolers.