Screw-in Filters

Inches

30mm
37mm
40.5mm
43mm
46mm
49mm
52mm
55mm
58mm
62mm
67mm
72mm
77mm
82mm
86mm
86C
94C
95C
105C
107C
125C
127C

1.18”
1.46"
1.59"
1.69"
1.81"
1.93"
2.05"
2.17"
2.28"
2.44"
2.64"
2.83"
3.03"
3.23"
3.39"
3.39"
3.70"
3.74"
4.1"
4.2"
4.9"
5.0"

Series Filters

Millimeters

Inches

 Series 5 
Series 6
Series 7
Series 8
        Series 9        

27.6 mm 
41.3 mm 
50.8 mm
63.5 mm
82.6 mm

1.09”
1.63”
2.0”
2.5”
3.25”

Drop-in Square/Rectangular Filters

 Millimeters

2x2"
3x3"
3x4"
4x4" (2mm thick - Cal/Lee)
4x4" (4mm thick)
4x5"
4x5.650
5x5"
5x6"
6x6"
6.6x6.6"

50.8 x 50.8
76.2 x 76.2
76.2 x 101.6
101.6 x 101.6
101.6 x 101.6
101.6 x 127
101.6 x 143.5
127 x 127
127 x 152.4
152.4 x 152.4
167.6 x 167.6
 

Drop-in Round Filters