pleated filter Large filter area Low initial resistance Large dust holding capacity Economical and practical

Pleated pre-filter , cartonboard frame

1 ) Application: Filter dust, pre-filter through air

2 ) Type: Synthetic foldaway filter

3 ) Frame: Aluminum, paper or galvanized

4 ) Media: Synthetic fiber

5 ) Protect mesh: Alumnum mesh or spray iron mesh

6 ) En799 class: G2, G3, G4, F5

7 ) Average arrestance: 84%-90%(ASHRAE52.1-1992)

8 ) ENROVENT4/5 class: EU3, EU4, EU5

9 ) DIN53438 Non-flannability Standard: F1

10) Final resistance:(suggest)200Pa-250Pa

11) Max.air flow: 125% of the rated air flow

12) Temp.Resistance:100oC

13) Humdity: 100%

Technical parameters, any question pls contact us with tks!
1"	MEDIA SLLZE	Actual Size			Capacities			Resistanceatcapacity			Mdeia Area
		Inches			CFM			Inches W.G
		mm			M3/H			Kpa
					300Fpm	500Fpm	625Fpm	300Fpm	500Fpm	625Fpm	ft2
		Width	Height	Depth	1.5m/s	2.5m/s	3m/s	1.5m/s	2.5m/s	3m/s	m2
Inches	12x24	11.38	23.37	0.88	600	1000	1250	0.14	0.32	0.42	4.35
mm	305x610	289	594	22	1020	1700	2120	0.04	0.08	0.11	0.4
Inches	16x20	15.4	19.37	0.88	667	1111	1389	0.14	0.32	0.42	4.67
mm	406x508	391	492	22	1130	1890	2360	0.04	0.08	0.11	0.43
Inches	16x25	15.4	24.37	0.88	833	1389	1736	0.14	0.32	0.42	5.88
mm	406x635	391	619	22	1415	2360	2950	0.04	0.08	0.11	0.55
Inches	20x20	19.49	19.49	0.88	833	1389	1736	0.14	0.32	0.42	5.78
mm	508x508	495	495	22	1415	2360	2950	0.04	0.08	0.11	0.54
Inches	20x24	19.49	23.37	0.88	1000	1667	2083	0.14	0.32	0.42	6.59
mm	508x610	495	495	22	1700	2830	3540	0.04	0.08	0.11	0.16
Inches	20x25	19.49	24.37	0.88	1042	1736	2170	0.14	0.32	0.42	7.23
mm	508x635	495	619	22	1770	2950	3690	0.04	0.08	0.11	0.67
Inches	24x24	23.37	23.37	0.88	1200	2000	2500	0.14	0.32	0.42	8.75
mm	610x610	594	594	22	2040	3400	4250	0.04	0.08	0.11	0.81