Glade sense & spray pure clean linen refill with true scent technology for a lasting fragrance of clean. Glade Sense & Spray Clean Linen Air Freshener Refill. Keep your Glade Sense and Sprayâ„¢ smelling fresh with this Pure Clean Linenâ„¢ refill. Glade uses TrueScent Technologyâ„¢, a proprietary blend of ingredients that provides a lasting feeling of clean. Fragrance infused with essential oils, with notes of crisp air, fresh laundry, and lily of the valley. Put the fragrance in motion and enjoy it for up to 2 months per refill*