Try AirWick Freshmatic Pure for free with their mail-in rebate offer! Simply purchase an AirWick Freshmatic refill and mail in the required materials to receive your purchase price back up to $5.50. Purchases must be made between 8/15/17 and 3/25/2018. Please allow 8-10 weeks for delivery of your refund. Items must be postmarked no later than April 15th, 2018 and received by April 30th, 2018 to qualify.