Polyform A-4 Buoy 20.5" Diameter - Red [A-4 RED] Engine Parts & Service | Fuel Tanks Natural convection cooling

Natural convection cooling

including 43 mm transducer fittings for depth

Widescreen display with bright LED backlight

SeaTalkng Blanking Plugs (x2)

For enhanced night visibility

Polyform A-4 Buoy 20.5" Diameter - Red [A-4 RED] Engine Parts & Service | Fuel Tanks Natural convection coolingA 4 Buoy 20. 5" Diameter Red The A Series is the product that launched the Polyform story. This all purpose product, with the signature "blue ropehold" has proven itself in the most adverse conditions. Marking gear used in heavy seas is no easy task. That's why more fishermen use Polyform A Series than all other buoys combined. You name it, ocean, sea, or river, and the A Series has been there. Put your trust in Polyform's most versatile and well