20” in-line set Big Blue type: Big Blue type filter housing, with blue sump and pressure relief valve, mounting bracket with screws, wrench, bacteriostatic filter centralizing ring, instruction and color box. Available with: 1", 1 1/4", 1 1/2" BSP connection. Head is equipped with pressure relief valve which enables release of air accumulated after cartridge replacement.
FH20B1-WB - 1" BSP
FH20B54-WB - 1 1/4" BSP
FH20B64-WB - 1 1/2" BSP