AllergyZone By Filter Monster FilterLock Furnace Filter Slot Seal, 12 Pack AZFL-12

FilterLock® is a patented two-piece system designed for use with 1-inch air filters. It eliminates air leakage at the filter slot/door to improve indoor air quality and reduce energy consumption. Each box comes with 12 filters. Quantity Discounts:  Order 3+ FilterLock boxes for an autmatic 25% off discount. Order 9+ FilterLock boxes for an automatic 35% discount. Features:  Cover furnace filter slot/door Block allergens and other contaminants from entering home including deadly gases like carbon monoxide and radon Improve indoor air quality Reduce energy consumption Magnetically attaches to the duct work Two-piece design works with any 1” filter up to 25” long Universal one size fits all Indefinitely reusable Easy to install What You Get: Twelve (12) magnetic pieces per package Additional Information: Product Dimensions: 25 x 4.8 x 0.1 inches, 2.08 ounces [TABS] Reviews [/TABS]