Description
The FilterLock seals furnace and air conditioning air filter slots to reduce utility bills and improve indoor air quality. The Filter Slot Cover eliminates unfiltered air from entering the system through the filter slot/door.
• Saves energy and reduces energy bills
• Improves indoor air quality
• Blocks allergens and other contaminants, including deadly gases like carbon monoxide and radon from entering the HVAC system at the air filter slot
• Universal, one size fits all
• Reusable, easy on / easy off design
! This item is sold in case lots. You must order in quantities of 12
• Saves energy and reduces energy bills
• Improves indoor air quality
• Blocks allergens and other contaminants, including deadly gases like carbon monoxide and radon from entering the HVAC system at the air filter slot
• Universal, one size fits all
• Reusable, easy on / easy off design
! This item is sold in case lots. You must order in quantities of 12