Featuring durable, hi-impact nylon construction, Seachoice deluxe fuel connectors are suitable for marine environments. Ensure low-restriction of fuel flow to your engine. This is a female 1/4-inch NPT thread type connector compatible with Mercury/Mariner fuel lines. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.