Polyform A-5 Buoy 27" Diameter - Red [A-5 RED] Marine Plumbing & Ventilation | Accessories A thermal cutoff turns the

A thermal cutoff turns the unit off should air flow be impeded

Maretron's Switch Indicator Module monitors switch closure devices including

Low Current Draw

which offers our best-in-class sonar and mapping and premium touchscreen display with a keyed assist

Large Free Flowing Exhaust Ports

Polyform A-5 Buoy 27" Diameter - Red [A-5 RED] Marine Plumbing & Ventilation | Accessories A thermal cutoff turns theA 5 Buoy 27" 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 known