Seachoice Thru-Hull Connectors are made of durable polypropylene and glass fiber to withstand the rigors of marine environments. They are ideal for use as an exhaust port for a bilge pump. 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.