Thru Hull Plumbing Fitting.Made of high quality stainless steel,durable.Fit for 22mm inner diameter hose pipe.A very complete solution for heater systemsThis design incorporates extended central tube to help avoid external drip-staining of hullSuitable for the heatersHot exhaust insulated from hullFit for Webasto, Planar, Eberspacher, Chinese Parking heatersSurface polishing,corrosion resistance and durability in the saltwater environmentEasy installation With screwsApplicable Hose Inner Diameter: 22mmType: StraightColour:silverMaterial:Stainless steelPackage Contents:1 X Thru Hull Exhaust Skin Fitting Tube PipeOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.