A
Ceiling opening dimensio
n
138
0
C
e
i
l
i
n
g
o
p
e
n
i
n
g
d
i
m
e
n
s
i
o
n
4
7
0
7
0
7
2
1
2
126
0
Space of suspension bolts
138
5
0
1
1
3
1
0
0
8
5
141
0
5
0
0
3
it
di misura
mm p
ollici
2
8
9
S
p
a
c
e
o
f
s
u
s
p
e
n
s
i
o
n
b
o
l
t
s
1
3
3
3
4
Ceiling