Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 4" [331440-1] Winterizing | Water Flushing Systems bathroom sinks

bathroom sinks

Our scupper includes hose barbs compatible with standard 1-1/2" I

Keep your boat’s cockpit dry and protected with our 3/4" Inline Scupper Check Valve

securing it at all times without the need for removal before boating

Surface mounts vertically with two #8 FH fasteners (not included)

Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 4" [331440-1] Winterizing | Water Flushing Systems bathroom sinksStainless Steel Butterfly Vent Center Knob 4" Butterfly Vents promote air flow preventing mold, mildew, and associated odors. Features a center knob that allows for easy adjustment of the opening. Corrosion resistant 304 stainless steel construction. Installs with four #6 RH fasteners (not included). WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.