* [No need to buy detergent] Upgrade foam gun equipped with valve. After use, just turn the valve and drain the remaining foam.Instead of using detergent. Therefore, you don't need to buy cleaning solutions separately. Save money.* [Easy to use] Spring-loaded trigger and control knob allow you to precisely control the flow rate and adjust the spray distance. Avoid bubbleswaste. The copper tip makes the flow smooth. This stuffing gun is fully compatible with "Great Material Profession" and "Tactile Sealing",Foam, cane.* [Ergonomic design] The foam gun is coated with polytetrafluoroethylene (PTFE) to keep the gun clean and durable. That oneThe handle is made of ergonomic ABS plastic, which can be used for a long time and is comfortable to use.* [Wide application] Suitable for balcony doors and windows, bathtubs and air conditioning holes. Ideal for filling, sealing andIsolate small spaces.Not1. Open the valve, connect the foam tank to the muzzle, then turn the gun to tighten.2. Squeeze the trigger to spray.3. Adjust the flow by turning the controller.4. When you are finished spraying, you have two choices. If you want to take the foam cartridge, close the valve and keep pulling the trigger.Until no foam comes out, remove the foam container. If you want to hold the jars together, lay the gun down with the valve open.