Thru-Hull Nut Aerator - Straight/90° designed for marine plumbing and bilge applications. Johnson Pump's compact plastic nut aerator (model 54033PK) provides thru-hull aeration/venting in a straight or 90° orientation. Constructed of durable plastic and finished in black, this included-component product is sized for easy installation in boat plumbing and bilge pump systems. Package dimensions: 2 x 2 x 1 inches; item dimensions: 1.75 x 1.75 x 0.5 inches. Ideal for marine use where a low-profile through-hull aerator is required. (Combined product details from manufacturer and marketplace specifications.)
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