Use on any disposable air filter to freshen you entire home! Spray on any disposable air filter! Glade Filter Spray provides an economical and easy method to freshen your entire home for days! This patented, long-lasting formula applies directly to your filter. No holes to punch, no mess! Glade Filter Spray can be used with any disposable air filter. Simply spray on filter, turn on air or heat and enjoy! 3-5 sprays of Glade Filter Spray circulates scent throughout the entire home for several days and each bottle contains 6-8 treatments. Glade Filter Spray can be applied to either side of your filter. You control the fragrance level, by the number of sprays applied. Glade Filter Spray is great for any occasion, keep several fragrances on hand. Visit us at www.scentco.net/gladeproducts. Simply spray on your disposable filter to freshen your entire home! Each bottle contains 6-8 treatments. Fast and convenient! A few sprays freshens your entire home for days! Works with heat or air year round! Combat household odors!