Lalizas INOX Deck Filler 2" (38 mm), with Blue Cap, for Water, Black BaseLalizas INOX Deck Filler 2" (38 mm), with Blue Cap, for Water, Black Base The INOX Deck Fillers with Cap are suitable for fuel, freshwater, or waste. The use is easily indicated by the color of the cap: blue for fresh water, red for fuel, and brown for waste. The main body is made of reinforced PA. The cap is made of INOX 316 and reinforced PA for endurance and extra durability in the marine environment. The cap features a lanyard in order not to be