Enjoy The Classic Scent Of Line-Dried Laundry, Week After Week, With These Glade Automatic Spray Refills. To Open, Squeeze Side Ribs While Pulling Holder Sides Apart. Insert Spray Refill And Choose The Time Setting To Release Fragrance. Enjoy Busts Of Fresh Scent Every Nine, 18 Or 36 Minutes. Refills Last Up To 70 Days.