ASTM International - ASTM F872-84(1990)
Specification for Filter Units, Air Conditioning: Viscous-Impingement Type, Cleanable (Withdrawn 1999)
|Publication Date:||1 January 1990|
|ICS Code (Ventilation and air-conditioning systems):||91.140.30|
1.1 This specification covers permanent, flat panel, reusable type filter units for use in air conditioning, heating and ventilating systems.