• The use of the permanent frame and replacement media system assures the lowest replacement cost in panel filter systems.

• Savings of up to 50% or more over the use of disposable filters.

• Changeable media systems can be installed in most systems, whether for industrial, commercial, or residential use.

• No washing ...stuff in plastic bag for clean, quick disposal.

• No weld tab system locks expanded metal to frame.

• "SD" (standard drop) means standard construction is 1/2" less than nominal size stated.

• "AS" (actual size) means actual dimension needed, please state.

• One piece flat strap required on pad holding frames over 28"

• FMS - (Size) Heavy 24 gauge galvanized or plated steel frame and 28 gauge expanded metal backing.

• FMA - (Size) Strong high strength rolled rib .032 aluminum channel construction and 28 gauge expanded metal backing.