Porting Block < Black Acetal Fittings – PM Range (Air) Porting BlockProduct CodeDownloadsProduct CodeJG-L-WSK 1/2" Thread BSP Blanking plugs included. Downloads John Guest Technical Manual & Trade Price Guide related products Stem Adaptors – BSP Thread20210728215745 Stem Adaptors – BSP Thread Read more Stem Elbows20210728220830 Stem Elbows Read more Plugs20210728222528 Plugs Read more Reducing Tees20210728052721 Reducing Tees Read more Water Trap Tee20210728221450 Water Trap Tee Read more End Stops20210728222302 End Stops Read more