The Ensystex BITHOR SC special is back with two great options. Option 1: Purchase 20 quarts of BITHOR SC and receive a free ACCUTHOR Compressed Air Sprayer. Option 2: Purchase 12 quarts of BITHOR SC and receive your choice of a free ACCUTHOR Gel Gun, ACCUTHOR Professional Aerosol Delivery System, or Compact THORCH rechargeable flashlight. Limit six per customer. Offer expires June 30, 2015.