0001
0002
0672
0673
0678
0682
0698
0778
0780
0783
1002-673
1004H
1006H
11102
27001
27004
27011
27501
27511
27751
3047
3210
3212
3902
3902V
3937
3939
3940
4467
5444
5454
5477
6534
672
673
750H
750S
778
900113
900201
900311
900369
ESP
H0672
H3210
H750
TA750C
100
100-10
HARVARD AFTERMARKET REPLACEMENTS
Replacement filters at "knockout" pricing:  
Harvard part numbers for reference only: