Seachoice Exhaust Guard Covers prevent water from rushing in through exhaust thru-hulls when stopping or moving slowly. Features a weather-resistant rubber flapper valve and stainless-steel hose clamp to resist corrosion. Includes 2 exhaust covers with hose clamps. 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.