Qwik System Flush is a superior formulation that is 9-10 times more effective in moisture absorption and acid removal than competitive products. QT1100 (2-lb aerosol), QT113 (1-lb aerosol), or QT1150 (complete starter kit with two 1-lb aerosol cans, charging hose, can access valve, and QwikNozzle?. Qwik System Flush is approved by original equipment manufacturers. Qwik System Flush Packaging Options: Part No. QL1191 (ECO FLUSH*): 1-lb aerosol can ? English label (up to a 5-ton system) Part No. QL1130: 1-lb aerosol can ? Spanish label (up to a 5-ton system) Part No. QL1150: Complete starter kit includes: (2) 1-lb aerosol cans (QL1130) (1) Can access valve (QL1105) (1) QwikNozzle? Line Set (1) Short charging hose Part No. QL1191: 1-lb aerosol can ? English label (up to a 5-ton system) ECO FLUSH* Ecological products are those that, compared to others in the same category, reduce adverse environmental effects, thus contributing to efficient use of resources and a high level of environmental protection.