Features: 1.Perfect Quality: 100% brand new thru hull plumbing fitting. Easy installation with screws. 2.Premium Materials: Made of marine-grade stainless steel, surface polishing. It is resistant to corrosion in saltwater environment and has good durability. 3.Superior Compatibility: Fit for 22mm/0.87inch or 24mm/0.94inch(about) inner diameter hose pipe. Enlarging the gap between the pipes to provide heat insulation and prevent damage to the hull and vehicle. 4.Wide Applications: Fit for Webasto, for Plan ar, for Eberspacher, Chinese Diesel Parking heaters var4. Specifications: Name: Thru Hull Exhaust Fitting Material: Stainless steel Weight: about 340g Color: silver Inner diameter: 22mm/24mm Packing List: 1 set * Thru Hull Exhaust Fitting Notes:Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.Due to manual measurement, there might be a tolerance in the product size.