The new Central Bar for 2 x Antenna and 1 x Navlight is designed for use with APT-150-01 and APT-250-01 only. It is compatible with Hella NaviLED Pro, Hella 2984 Series, Aquasignal Series 40, Aquasignal Series 25, Perko 0200 Tri-Color/ White All Round Navigation Light, Perko 0455 and 0406, and Lopolight. All aluminum Power Towers are fabricated with 6082 aluminum and finished with a polyester powder coat for a durable and gloss white finish.