Filtrete™ Filter Adapter

• Will convert a 2-inch (5 cm), 3-inch (7.5 cm), 4-inch (10 cm) and 5-inch (12.5 cm) furnace bay to a 1-inch (2.5 cm) bay
• Earth magnets hold adapter firmly in position for easy installation

The Filtrete™ Furnace Filter Adapter was designed to make filter selection easy. Easily convert your tow to five inch (12.7 cm) furnace filter bay, to a one inch (2.5 cm) furnace bay. This can help save you money and offers more filtration options. The Filtrete™ Furnace Filter Adapter uses strong earth magnets to hold the adapter and filter in place in your furnace bay.