Bug Band 88100 Bead Insect Repellent, 0.75 oz Bag, 75 oz Ideal for use in fan cabinets near food serving areas where sprays cannot be used or in air vents to disperse the vapors into a room (also cars, trucks or buses) For window or wall air conditioners, attach to the center of clean air filter. In autos, trucks, airplanes and buses, Place bags under seats, in air circulating systems and in ashtrays At campsites, Place the bags in tents and campers Place the bags on screened porches, patios and other outdoor enclosures Use around pet bedding areas and kennels and anywhere insect repelling is desired