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Pre filters

Product No.：RY001
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Pre filter (primary filter) is suitable for the pre filtration in all kinds of clean ventilation system, and used as protection filter of heat exchanging parts for central air-conditioning, and return filter of all industrial clean workshops or civil buildings.
Features
※ Media: Non-woven or nylon or activated carbon or glass fiber
※ Frame: Cardboard, aluminum or galvanized
※ Protect mesh: Aluminum net or stainless steel net
※ Large filter area
※ Low initial resistance
※ Economical and practical
※ Efficiency:G1/G2G3/G4 (EN779)
※ Recommended final Pressure drop:200Pa
※ Different sizes and specifications are available
Application
※ Used as Pre filters in commercial and industrial central air conditioning systems
※ Clean rooms and related industries
Specification

Efficiency	Dimensions(mm)	Rated Air Flow(CMH)	Initial Resistance(Pa)	Filter media	Frame material
G3	592×592×25	3400	<55	Synthetic	Galvanized / Aluminum /Cardboard
G3	592×592×50	3400	<55
G4	592×592×46	3400	<60
G4	287×592×46	1700	<60
G4	490×592×46	2800	<60
G4	592×592×96	3400	<60