Features- Nylon drain plug assemblies and inspection hatches are avialable in a range of sizes and types for different applications.- Drain plugs are fitted with watertight seals and some models have retaining legs to prevent accidental loss. Plugs are available separately as spares.- Inspection ports provide access to areas under decks or behind bulkheads. Watertight integrity is assured by threaded closure and an O-ring seal.- The housing flange on PNP245, PNP245BLK, PNP246, PNP246BLK is reduced on the underside to allow the plug to be fitted as low in the hull as possibe.- The PNP390 features on overlapping, threaded lid for a smooth, modern style.- PNP96, PNP97 and PNP390 are manufactured with dissimilar materials for the lid and deck ring to eliminate binding.Construction- Impact resistant, UV stabilised Nylon.Replacement Plug: RF738Hole Diam: 24mm