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Niagara Air Filter Whistle

Niagara Air Filter Whistle

Frost King Window Insulation Kit, 3 Pack 42x62

Frost King Window Insulation Kit, 3 Pack 42x62

FilterLock Duct Filter Seal

Your Price $9.98

FilterLock stops dirty, unfiltered air from entering your home through an open or poorly sealed air filter slot/door on your heating and air conditioning system. FilterLock is reusable and extremely durable. The patented, one-size-fits-all product installs in seconds without any tools and there are no sharp metal surfaces to be concerned with.

  • Eliminate air leakage in HVAC systems to help reduce utility bills and save energy
  • Improve indoor air quality by blocking allergens, dust, and gases like carbon monoxide
  • Easy to install: attaches magnetically to ductwork to cover furnace filter slot door
  • The two-piece overlapping design fits most filter slots
Availability: In stock
SKU
6800.302

FilterLOCK® seals furnace and air conditioning air filter slots to reduce utility bills and improve indoor air quality.

Benefits:

  • Saves Energy and Reduces Utility Bills
  • Improves Indoor Air Quality
  • Blocks Allergens and Contaminates From Entering Duct System
  • Year-Round Protection and Savings

Features:

  • Universal Fit - Adjusts to Fit all Standard One Inch Air Filters
  • Reusable: Easy-On and Easy-Off
  • Magnetically Attaches to Metal Ducts
  • Made in the USA

More Information

Manufacturer FilterLock