Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 4" [331440-1] Anchoring & Docking | Cleats you can slip the detachable

you can slip the detachable face into the hard plastic carrying case included with your purchase

Senses waste level through wall - not in contact with water

UPC: 788026138784

Nominal Diameter:9/16" (14mm)

Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 4" [331440-1] Anchoring & Docking | Cleats you can slip the detachableStainless 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.