itisll portable garden pump sprayer brass wand shoulder strap for yard lawn weeds plants 1gal itisll how to effectively extend the service life?<br> after spraying the liquid, please clean the sprayer in time.<br> avoid spraying with corrosive or acidic solutions. (for example diesel fuel or acids)<br><br> the liquid cannot exceed the highest marking line?<br> the pump sprayer requires the remaining space to store pressure.<br><br> safety valve design will automatically release pressure when the set pressure value is exceeded.<br> release the pressure inside the bottle when not in use, reducing part loss.<br> the chemical used in the sprayer must not exceed 85 ° f.<br> do not leave the sprayer at a high temperature for a long time, away from the fire source.<br> a small amount of water is stored in the bottle to facilitate testing the quality of the sprayer.<br> each product has a mounting diagram on the bottle to allow the customer to operate the sprayer.<br> if you have any problems, please read the instructions or contact us in time!<br><br> the nozzle is recommended to be washed with water. never remove impurities from the spray nozzle through a tool with high hardness. after the safety valve and the o-ring of the piston are used for a long time (about 1 month), lubrication with a small amount of grease can improve the use effect.<br><br> 1 year manufacturer warranty (please contact us, for more information)<br><br> happy gardening!<br><br> package includes:<br> sprayer pump*1<br> brass spray stick*1<br> a set of rubber rings*1<br> instruction manual *1<br><br> itisll offers garden sprayers in the following sizes:<br> 0.5 gallon hand sprayer<br> 0.5 gallon electric sprayer<br> 1 gallon hand sprayer<br> 1.5 gallon pump sprayer<br> 2 gallon pump sprayer