Johnson Bulkhead Fitting B with Valve Cons Winter Lubricants *Colour of item may be Garmin and Humminbird transducers *Colour of item may be of 'darker slate grey' to that in the image due to worldwide shortage of high performance Kevlar used in the production of the 'light shades of grey' with 'K' Cam Cleats New Barton Block Range Series 3: 45 mm Blocks External: 353 x 606mm Material Plastic Fitting Bulkhead Hose Tail Size 19mm 3 4" Primary Construction Plastic Thread Connection GHT Thread Fitting Size 3 4" Thread Gender Female Thread Size 3 4" GHT Brand Johnson This should be ordered with the Shurflo washdown kit if the system will be installed in this way