SPA4f SFI3-M - FireSense+ with 4Fire Universal, 3lb. Mechanical - SFI 17.2 Certified New SFI 17.2 Certified system utilizing a new suppression agent - 4Fire Universal. Great System for Formula Cars, Legends and other small cockpit cars. Branded as FireSense+, 4Fire Universal is a very unique and effective suppression agent. It presents as a foam and coats everything it hits,...