Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 5" [331450-1] Marine Navigation & Instruments | Transducers Compatible with:

Compatible with:

it has high output

rod or pedestal mount

It has a flow rate of 15 gallons per minute

Never buy another hub kit system again

Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 5" [331450-1] Marine Navigation & Instruments | Transducers Compatible with:Stainless Steel Butterfly Vent Center Knob 5" 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.