4CH-21 Unicel 4-5/8" x 8" 1-1/2" MPT
18sqft, ht, 1-1/2" MPT b, 4-5/8", 8"L, 3ozReplaces: PLT18P4, 11901 , 20245-238 , 303931 , 4902-008 , 4902-009 , 4CH-21 , 609568 , 645544001214 , AK-9003 , FC-0121 , PC-0121 , PLE-051-9615 , PTL18 , SC716 ApplicationsManufacturer
Model
| Diameter | Length | Top Style
Top ID | Bottom Style
Btm ID | Pleatco #
Unicel # | Filbur #
OEM # | Alcove 13 SqFt
| 4-5/8" | 8" | Handle
Handle | MPT Thread
1-1/2" Mpt | PTL18
4CH-21 | FC-0121
| Alcove 17 SqFt
| 4-5/8" | 8" | Handle
Handle
| MPT Thread
1-1/2"
Mpt | PTL18
4CH-21
| FC-0121
| Atera (Four Seasons)
| 4-5/8" | 8" | Handle
Handle
| MPT Thread
1-1/2"
Mpt | PTL18
4CH-21
| FC-0121
| Pageant Spas
| 4-5/8" | 8" | Handle
Handle
| MPT Thread
1-1/2"
Mpt | PTL18
4CH-21
| FC-0121
| Saratoga Spas
| 4-5/8" | 8" | Handle
Handle
| MPT Thread
1-1/2"
Mpt | PTL18
4CH-21
| FC-0121
20245-238
| Vita
Spas (DM Industries)
| 4-5/8"
| 8" | Handle
Handle | MPT Thread
1-1/2" Mpt | PTL18
4CH-21 | FC-0121
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Item #4CH21
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