Description Deck Fillers – Heavy Duty Cast 316 Stainless – Diesel – 38mm (1 1/2 inch) & Key High-quality heavy-duty cast 316-grade stainless deck fillers to suit 38 mm or 50 mm hose. Supplied complete with stainless steel retaining chain, O-ring seal, and opening key. The nameplate is cast into the filler in large print in four different types: Petrol, Diesel, Water, Waste. Suits 38 mm (1 ½ inch) hose. Rim diameter: 75 mm. Length below rim: 74 mm. We have units with the option of petrol, diesel, water, waste. We can also supply 50 mm (2 inch) hose. Rim diameter: 88 mm. Length below rim: 77 mm.