The AFFF systems are approved for most racing organizations. The systems consists of T style nozzles, bulkhead fittings, aluminum tubing and all necessary components to properly install the system an any vehicle. *The ESS 2.3 and 5.0 systems meet the SFI 17.1 standard if they are filled at the factory before shipping. Please call if you to order factory filled systems. The 1.0L system works well for smaller vehicles or street cars when space is a premium. Complete Kit comes with: Spun cast aluminum cylinder T Handle release 4 ft stainless braided line 1 nozzle 6 oz AFFF concentrate Stainless bottle clamps and mounting brackets