Optional odor control media part numbers – FloAire PCU Filtration User Manual
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WARNING: FILTER PART NUMBERS OUTLINED BELOW ARE LISTED FOR USE IN THE PCU.
USING ANY OTHER FILTERS WILL VOID WARRANTY AND AFFECT PERFORMANCE
Standard Filter Part Numbers
PCU
Module Size
16” x 20” x 4”
20” x 25” x 4”
Captrate
Solo Pre-Filter
High Efficiency (MERV 15)
Odor Control
100% Carbon
Size 1
3
CSF2025-NH
90802025
BPSL 31231
Size 2
8
CSF2016-NH
90801620
BPSL 31230
Size 3
8
CSF2520-NH
90802025
BPSL 31231
Size 4
15
CSF2016-NH
90801620
BPSL 31230
Size 5
12
CSF2025-NH
90802025
BPSL 31231
Size 6
18
CSF2025-NH
90802025
BPSL 31231
Optional Pre Filter, High Efficiency, and HEPA Filter Part Numbers
PCU Module
Size
16” x 20” x 4”
20” x 25” x 4”
Grease Lock
Combination
Pre-Filter*
High Temperature
High Efficiency
Filter
Standard HEPA Filter
Size 1
3
GL2025/CSF
110-500-404
H1924x22-0B8000336
Size 2
8
GL2016/CSF
110-500-405
H1519x22-0B8000336
Size 3
8
GL2520/CSF
110-500-404
H1924x22-0B8000336
Size 4
15
GL2016/CSF
110-500-405
H1519x22-0B8000336
Size 5
12
GL2025/CSF
110-500-404
H1924x22-0B8000336
Size 6
18
GL2025/CSF
110-500-404
H1924x22-0B8000336
* Grease Lock Combination Pre Filter is a combination of Grease Lock Filter and Captrate Solo Filter
Grease Lock Filter Replacement
PCU Size
Part Number
1,3,5,6
GL2025
2,4
GL1620
Optional Odor Control Media Part Numbers
PCU Module
Size
16” x 20” x 4”
20” x 25” x 4”
Carbon /
Permanganate
Blend
100%
Permanganate
Caustic
Impregnated
Carbon /
Permanganate
Blend Panel
100%
Carbon
Panel
100%
Permanganate
Panel
Caustic
Impregnated
Panel
Size 1
3
BPSL 31222
BPSL 31226
BPSL 31229
B21711
B21709
B21712
B21710
Size 2
8
BPSL 31224
BPSL 31227
BPSL 31228
B21199
B21197
B21200
B21198
Size 3
8
BPSL 31222
BPSL 31226
BPSL 31229
B21711
B21709
B21712
B21710
Size 4
15
BPSL 31224
BPSL 31227
BPSL 31228
B21199
B21197
B21200
B21198
Size 5
12
BPSL 31222
BPSL 31226
BPSL 31229
B21711
B21709
B21712
B21710
Size 6
18
BPSL 31222
BPSL 31226
BPSL 31229
B21711
B21709
B21712
B21710
There are two types of gasket used in sealing the PCU. The orange gasket is used for weatherproofing
the exterior seams between modules. It is rated at 450° F and has a PSA (Pressure Sensitive Adhesive)
backing. The white gasket is a 1500° F degree gasket that is used to seal all internal joints in the PCU,
including the doors, filter tracks, and inner perimeter between modules. Orange gasket is applied to the
sides and White gasket is applied at the top of the filter access area to prevent infiltration. There is a
double layer of gaskets between modules as shown below.