Chapin International G385 Insecticide Hose End Sprayer, 6-Gallon Fits onto any hose end Delivers up to 6 gallons of finished spray. Works with all water soluble insecticides and chemicals Removable fan-spray nozzle for quick coverage of large areas or a continuous stream for more direct application Fingertip on/off control. Built-in Anti-Siphon feature prevents backflow. Durable, chemical resistant and rustproof polymer construction It is important that users not overtighten the cap or it may cause it to come loose. It is also advised to attach the hose to the cap before attaching the bottle which will minimize the need to turn the bottle upside down.