進口柴油機要求空氣過濾精度為5μm，國產柴油機也要還應小于20μm。高效濾紙的過濾精度為2μm，普通進口濾紙為30μm，而國產濾紙僅為80μm。

4676385日立挖掘機濾芯

日立空氣濾芯

1.4417516
2.4423981
3.4001430
4.4209040
5.4326841
6.4206098
7.4285623
8.30830-81800
9.4129907
10.4244607
11.4283861
12.4287060
13.4286128
14.4286130
15.4147010
16.4145213
17.4208630
18.4163738
19.4288964
20.416376
21.4390060
22.4391205
23.4459548
24.4085788
25.4146898
26.4337639
27.4237663
28.4297293
29.4297294
30.4240295
31.4206272
32.4001430
33.988972
34.4206273
35.4138076
36.4122937
37.4146999
38.4146898
39.4100806
40.4059818
41.4143010
42.119131-12530
43.4283861
44.4129907
45.4238409
46.4238411
47.4084788
48.4237663
49.4417516
50.4286128
51.4288963
52.4288964
53.4439549
54.4459548
55.4147010

4676385日立挖掘機濾芯

1.3354526
2.4254028
3.4183853
4.4206079
5.4183853
6.4285643
7.4285642
8.4206079
9.4283859
10.4231195
11.4283860
12.4283859
13.4208241
14.4206089
15.4208241
16.4285963
17.4470176
18.4206089
19.4285964
20.4429728
21.4285964
22.4163736
23.4429728
24.4559549
25.4266385
26.4430378
27.4225367
28.4237663
29.4337639
30.4228688
31.4204048
32.4085913
33.4041654
34.4178830
35.4508268
36.4041654
37.3001801
38.4505384
39.4507886
40.4507887

4676385

廊坊百斯頓濾清器廠專業生產替代4676385日立挖掘機柴油濾芯，替代產品性能和效果*可以于進口產品相媲美，國標過濾器、濾芯系列性能質量穩定可靠，都已被廣大用戶及科研院所選用和認可。