Permanent Metal Filters

	Heavy Duty The Heavy Duty Expanded Permanent Metal Filter is ideal in rugged applications where an extra Heavy Duty Galvanized Steel Filter is required. Designed to provide deeper dirt and grease penetration, the seven layers of Galvanized Mesh create the perfect Air/Grease filter.

	Lifetime The Lifetime Expanded Permanent Metal Filter consists of seven layers of expanded Aluminum Grid designed for use in applications where a sturdy Aluminum Filter is required.

	Thrift-Aire The Thrift-Aire Expanded Permanent Metal Filter is constructed of six layers of Expanded Aluminum, surrounded by a medium weight Aluminum Frame. It is designed to be used in many Forced Air Applications.