2xProfessional Polyurethane Foam Expansion Applicator Home Filling : [Reusable clogs] This expanding to does not clog after repeated use, as long as you follow the instructions Both the outside of the barrel are covered with polytetrafluoroethylene (PTFE), resistant to sticking together [Less Cleaner] No need to spend money on buying detergent and waste time cleaning the manual sealing gun each after use This urethane foam gun helps owners save money and [Advanced Design] This for spray foam helps achieve real cleaning Valve can seal the barrel to allow users to completely discharge the sealant residue [Indispensable in home improvement] This for sealing insulation foam is widely used for sealing gaps and cracks, sealing windows and doors filling walls and floors (e.g. installation of air conditioners and bathtubs) [High Compatibility] This for foam sealing fits most 20 24oz foam sealant canisters with screw, does not fit into tube or straw can The can connects to the top of the sprayer by screwing Specification: Material: pvc metal; orange Size: 34x14x5 cm/13.39x5.51x1.97 inch contains: foam 1 (2 pieces)