you can have multiple tanks of pre-mixed chemical on standby to reduce cross contamination

with an 18V battery

000 charge cycles

If you are looking for the 20-Foot Replacement Hose which attaches to the pump

reliability

[REFURBISHED] Dual-Pressure Backpack Sprayer (2.5-Gallon) Price 421-$50 you can have multiple tanksNOTE: This is a certified refurbished product. To learn more about what that means click here. Anyone can disinfect with the ComfortStrap backpack system and lightweight 2. 5 gallon tank. Plus, with an 18V battery, heavy duty diaphragm pump, high quality components, and Viton seals. Spray without the worry of damaging the high quality internal parts.