591436 - 12" Water Turbine Driven Fan w/o Aluminum Adaptor
591436 - 12" Water Turbine Driven Fan With Nakajima Coupling & Adaptor
591437 - 16" Water Turbine Driven Fan w/o Aluminum Adaptor
591437 - 16" Water Turbine Driven Fan With Nakajima Coupling & Adaptor
Nakajima Adaptor & Coupling For Water Driven Turbine Fan