Plastic Deck 38 mm Fuel Deck Filler White | 4BoatsWhite plastic fuel deck filler with a simple cap and collar design for routine access and a neat flush finish. Size for 38 mm (1. 5 in) deck openings, standard fitment Cap secure seal to reduce contamination Collar holds cap flush to deck for low profile appearance Material plastic construction resists corrosion Colour white finish to blend with white decks Design simple cap and collar for routine access Installation fits standard fuel filler