Carrier AERO 39MN Installation, Start-Up And Service Instructions Manual page 142

Unit Size 50
Flat Filter Section
(15) 20 x 25
16
Unit Size 61
Flat Filter Section
(14) 20 x 16, (14) 25 x 16
Shaded area represents filter section blankoff.
Fig. 132 — Flat Filter Arrangement — 2-in. or 4-in. (cont)
Unit Size 40
Flat Filter Section
(13) 20 x 25
16 16 16
a39-4184
141
a39-4185
a39-4186
16 16 16
20
20
25
25