The ANSUL Double Tank 73022 is a high-quality commercial hood system nitrogen cartridge designed for restaurant and food service establishments. Made in the United States, The quality in the Name Ansul isensuring that your kitchen receives the necessary protection. With the ANSUL brand known for its reliability and durability, this Ansul double tank is a standout choice for commercial kitchen R-102 hood systems. Cartridge is hydro tested, recharged and stamped 6/2025.