Easy to clean: foam gun equipped with a valve. After use, simply turn the valve and push out the remaining foam rather than using a cleanser. Therefore, you do not need to purchase a clean solution separately. The spring-loaded trigger and control knob allow you to precisely control the flow and adjust the distance spraying. avoid wasting foam. The copper tips make the flow smooth. With great expansion and strong adhesion, it is ideal for insulating and sealing small spaces such as windows and doors in your home. The foam gun is covered with polytetrafluoroethylene (PTFE) which can keep the gun clean. The precise thread design of the foam gun is easy to use. Suitable for balcony doors and windows, bathtub and air conditioning hole. Ideal for filling, sealing and insulating small spaces.