Description
RJ Filtration AK-4031 Replacement Hot Tub Cartridge Filter
(Replaces Pleatco PJ37-IN)
Aftermarket replacement for pleatco PJ37-IN Hot Tub Cartridge Filters, This Premium Hot Tub Filter provides maximum filtration and optimal water flow in hot tubs.
Cartridge Filter Dimensions:
- Diameter 5"
- Length 13 1/4"
- Top Hole 2 3/8"
- Bottom Hole 2 3/8"
Cartridge Filter Replaces:
- Pleatco PJ37-IN-4
- FILBUR FC-1437
- UNICEL C-5635
- Jacuzzi CFR/CFT 37 - #42-3533-00-R
