Measurement Guide

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©2020 GTR Technologies Inc. U.S.A. and International Patent Pending
SHEETROCK
FAN HOUSING
TRIM RING
SHIELD
4 5/8"
11.7
1 3/4"
4.4
dia. 4"
10.2
SHEETROCK
7 7/8"
20
8 3/8"
21.3
TRIM RING
9 1/2"
24.1
7/8"
2.2
9 3/16"
23.3
SHIELD
11"
27.9
11"
27.9
FAN HOUSING
7 7/8"
20
8 3/8"
21.3
5 1/8"
13
DETAILED DIMENSIONS
50/70/80 CFM MODELS