Products Up to 2 cu. ft. Z Purge Unit AP-01Z-02 Up to 15 cu. ft. Z Purge Unit AFP-01Z-15 Up to 75 cu. ft. Z Purge Unit AFP-02Z-75 Up to 300 cu. ft. Z Purge Unit AFP-03Z-300 Up to 10 cu. ft. Z Purge Unit AP-01Z-10