iLOT Pest Control Bulb Duster Sprayer, Pesticide Powder Duster with Longer Lance for Bugs & Pests indoor and outdoor, made from rubber and brass, it can sprayer dry powder long brass lance can reach more places to kill the termite, bugs or pests. It has a good performance to spray and dispense diatomaceous earth as well. Usage and Tips for Termite Killing: Screw out the brass lance, add about 50ml termite killer or other powder into the rubber bladder. The powder takes up 1/3, no more than 1/2 space of the bladder. Quick tap the bladder to spray the powder onto things bitten by termites. (Do not squeeze the bladder too hard, quick tap is always preferred.) To obtain the best performance, spray powder in termite nests. In termite-stricken areas, pierce some holes by screwdriver on the land. Remove the nozzle on the lance, stick lance into the hole, quick tap the bladder a few times, use waste paper or cotton to block the hole. (When necessary, connect the lance with a hose to spray powder.) Then tap nearby things to cause riot between termites. Some termites return to the nest with powder, through trophallaxis, the powder spreads in the nest day by day. After 7-15 days, all termites will be dead.