SR

Frame size

Cover size

Clear

Frame

Cover

Frame

Cover

Cap.

in inch

in inch

opening

Thick

Thick

Wgt

Wgt

Square Frame - Round Cover

1

24" x 24"

20"

16"

5"

2.75"

64

35

LD-5

2

25" x 25"

20"

16"

5"

2.75"

65

35

LD-5

3

28" x 28"

22"

17.75"

5"

2.50"

97

35

MD-10

4

30" x 30"

24.25"

20"

5"

2.50"

96

45

LD-5

5

30" x 30"

23.25"

20"

5"

2.75"

103

50

MD-10

6

33" x 33"

26.75"

23.50"

6"

3"

151

71

MD-10

7

33" x 33"

26.75"

23.50"

6"

3"

151

71

HD-20

8

34" x 34"

27.50"

23.50"

6"

3"

160

79

EHD-35

9

34" x 34" (IS)

28"

22.50"

6.5"

3.50"

180

100

HD-20

10

34" x 34" (SWD)

28"

22.50"

7"

4"

195

103

EHD-35

11

36" x 36" (BRTS)

30"

23.75"

6.50"

3.50"

191

118

HD-20

12

48" x 48"

40"

34"

7"

4"

300

240

HD-20

Rectangle Frame - Rectangle Cover

13

24" x 18"

20.75" x 14.75"

18" x 12"

2.75"

1.50"

20

13.5

14

28" x 22"

24" x 18"

21" x 15"

3.25"

1.60"

30

28

LD-2

15

28" x 22" (IS)

27" x 21"

24" x 18"

4"

2"

52

52

LD-5

16

30" x 24"

25" x 19.25"

22.50" x 16.50"

3.25"

1.60"

36

30

LD-3

17

32" x 26"

27" x 21"

24" x 18"

4"

2"

55

60

LD-5

18

32" x 26" (IS)

27.50" x 21.25"

24" x 18"

4.50"

2.50"

56

72

MD-10

Square Frame - Square Cover

21

12" x 12"

9.25" x 9.25"

7.50"

2.50"

1.10"

6

4

22

15" x 15"

12" x 12"

8.75 x 8.75"

3"

1.50"

13.6

8

23

18" x 18"

15" x 15"

12.25" x 12.25"

3.25"

1.50"

17.4

12

LD-1

24

23" x 23"

19.50" x 19.50"

17.50" x 17.50"

2.50"

1.50"

19.8

21

LD-2

25

24" x 24"

20" x 20"

17" x 17"

3"

1.50"

26

21

LD-2

26

24" x 24"

19.50" x 19.50"

16.75" x 16.75"

5"

2.50"

64

35

LD-5

27

27" x 27"

24.25" x 24.25"

21" x 21"

3.25"

1.60"

30

35

LD-3

Catchpit

28

24" x 24"

19.50" x 19.50"

16.75" x 16.75"

5"

2.50"

64

35

LD-5

29

30" x 30"

23.75' x 23.75"

18" x 18"

4.75"

2"

95

48

LD-5

30

30" x 30"

24' x 24"

18" x 18"

6"

3"

109

57

MD-10

31

34" x 34"

28.75" x 28.75"

23.75" x 23.75"

6"

3"

126

80

MD-10

32

32" x 32" (SWD)

25.75" x 25.75"

19.75" x 19.75"

6.50"

3.50"

126

76

MD-15

33

41.50" x 41.50"(SWD)

35.50" x 35.50"

30" x 30"

7"

4"

188

156

MD-15

34

30" x 30" (IS)

24" x 24"

19.75" x 19.75"

6"

3.50"

90

69

MD-10

35

36" x 36"(IS)

30" x 30"

24" x 24"

6"

3.50"

128

111

MD-10

36

36" x 36"(IS)

30" x 30"

24" x 24"

7"

4"

151

122

HD-20

37

G.T.Cover

8.50"

1.25"

2.4

38

12" x 12"

8.5"

6.75"

2.50"

1.25"

9.9

2.4