Get a Free Glade Expressions Air Freshener Kit @ Walgreens After Coupon. First grab the $2.00 off any Glade Expressions fragrance starter kits Coupon. Click here to print it. Walgreens has the Glade Expressions Air Freshener Kit 7 oz, priced at $3.49 this week. They’re also offering a $1.50 Register Reward with it as well, so combine that with the $2 off coupon and it’s 100% Free.