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pre- filter are used in the industries of medicament, electronics, foodstuff etc. - details see: https://www.machineto.com/pre-filter-10222534

We build 500 squares cleaning room and have advanced no-clapboard air filters production lines to produce Pre- filter.

1)Characters: Large filtering area,lower resistance,high dirt holding and easily changed.

21)Outer frame: aluminum alloys or galvanization steel plate.

3)Filter media: chemical fiber nowoven fabric media.(welding stainless steel wire supporting mesh)

4)Efficiency:95( 5micron)

5)Max.working5)

6)umidity≤906)

7)ggestion end pressure≤225Pa

size	size				Filter area
		Width	Height	Depth	(m2)	Wind flow and resistance
		(mm)	(mm)	(mm)		(m3h&pa)
4inch	24×24×4	594	594	96	2.66	1700/18	3400/68
	24×12×4	594	289	96	1.30	850/18	1700/68
	24X20×4	594	492	96	2.20	142018	2840/68
	20×20×4	492	492	96	1.82	1180/18	2360/20
	20×1 6×4	492	391	96	1.45	935/18	1870/68
	25×20×4	619	492	96	2.30	1480/18	2960/68
	25×25×4	619	619	96	2.90	1860/18	3720/68
2inch	24×24×2	594	594	46	1.75	1700/20	3400/70
	24×1 2×2	594	289	46	0.85	850/20	1700/70
	24×20×2	594	495	46	1.46	1420/20	2840/70
	24×1 8×2	594	445	46	1.31	1275/20	2550/70
	20×20×2	495	495	46	1.21	1180/20	2360/70
	20×18×2	495	445	46	1.09	1060/20	2120/70
	20×16×2	495	394	46	0.97	935/20	1870/70
	20×12×2	495	289	46	0.74	715/20	1430/70
	25×20×2	622	495	46	1.52	1480/20	2960/70
	25×18×2	622	445	46	1.37	1325/20	2650/70
	25×16×2	622	394	46	1.18	1180/20	2360/70