Starbrite - RV Odor Eliminator - 79950 NosGUARDSG removes foul odors caused by cigar/cigarette smoke, spoiled food, pet odor, chemical odors, and controls mold, mildew, and odor-causing bacteria. Use one pouch per room. If you need to treat a larger area, use 2 pouches placed equally apart at either end of the area. Features: Eliminates & Prevents Foul Odors ClO2 vapor treatment Works in 4-6 hours Directions: TO TREAT RVs, Trucks, and Trailers: Remove contents from the plastic container. Open the silver foil packet and remove the white pouch. DO NOT OPEN WHITE POUCH. Saturate the sponge with water. Slide the end of the pouch into the slit of the sponge and place it back into the plastic container. Snap the container securely closed and place the unit near the center of the cabin in an open area out of reach of children and pets with holes facing up. Do not hang. Open any doors, cabinets and drawers that require treatment. People and pets must not be in the area undergoing treatment whi