Application:primary filtration in the air conditioner systems ,,
Frame: aluminium alloy
Media:non- woven cloth or glass fibre
Inner frame:plastic-coated or stainless steel knurling net iron thread
Efficiency:G2(EN779)＜65-80%
           G3(EN779)＜80-90%
           G4(EN779)≥90%
Temperature:90℃ maximum in continue service
Moisture resistance:≤100%RH

Dimension（mm）	Rate airflow （m3/h）	Pressure drop （pa）	EN779	Colour of the media	Remarks
W*H*D
2	3200	≤35	G2	white	Method1：plastic-coated on both sides in # style.  Method2：plastic-coated“井”on one side+“V”iron；  Method3：stainless steel knurling net on both sides Method4：stainless steel knurling on one side+“V”stainless steel；
495*595*21	2700	≤35	G2	white
290*595*21	1600	≤35	G2	white
495*495*21	2200	≤35	G2	white
395*495*21	1700	≤35	G2	white
295*495*21	1200	≤35	G2	white
595*595*21	3200	≤45	G2	white
495*595*21	2700	≤45	G2	white
290*595*21	1600	≤45	G2	white
495*495*21	2200	≤45	G2	white
395*495*21	1700	≤45	G2	white
295*495*21	1200	≤45	G2	green white
595*595*21	3200	≤65	G2	green white
495*595*21	2700	≤65	G2	green white
290*595*21	1600	≤65	G2	green white
495*495*21	2200	≤65	G2	green white
395*495*21	1700	≤65	G2	green white
295*495*21	1200	≤65	G2	green white