The characteristics of the primary filter

(1) Use of primary air filter: filter section in general ventilation air treatment equipment or primary filtration of fresh air system. Features: The filter material can be replaced by itself, and the initial effect of the paper frame is one-time.
(2) Folding medium-efficiency air filter Application: Filtration of ventilation system. General air purification in electronics, pharmaceuticals, mechanical instruments, metallurgy, petroleum, chemical industry, light industry, food and other fields. Features: high efficiency, large dust holding capacity, small footprint.
(3) Use of bag type medium-efficiency air filter: central air-conditioning centralized ventilation system, or as a pre-filter of high-efficiency filter, it can reduce the burden of high-efficiency filter, prolong its service life, and can also be used in general industrial fields. Air purification. Features: small resistance, large dust holding capacity.