Isopure Water (ISO-WH2-20B) Dual Stage 20" Big Blue Boy Whole House Filter
ISO-WH2-20B Performance Data
System Dimensions & Operating Parameters
| Model Number | ISO-WH2-20B |
| System Dimensions | 28" H x 15" W x 8" D |
| Operating Temperature | 40–100°F |
| Maximum Operating Pressure | 100 PSI |
| Connection Type | 1" NPT male inlet/outlet |
| Filter Stage 1 | 5 micron sediment (20" x 4.5") |
| Filter Stage 2 | 10 micron carbon block (20" x 4.5") |
Ideal Use Cases for the ISO-WH2-20B
This system works well in medium to large homes, offices, or light commercial applications where backwashing filters are not practical due to space, drainage, or electrical constraints. The oversized 20-inch Big Blue cartridges handle higher sediment loads and flow demands than standard 10-inch housings, making this a solid choice for well water with moderate sediment or municipal supplies with chlorine taste and odor issues. The dual-stage design captures particulate in the first housing and addresses chemical contaminants in the second, reducing clogging and extending carbon block life. Comes fully assembled with metal wall bracket, filter wrench, and installation instructions. Replacement cartridges are industry-standard 20" x 4.5" Big Blue format, available from multiple suppliers.