Johnson Pump F4B-9 Impeller Pump OEM - Flange Mount [10-24967-02] Marine Safety | Personal Flotation Devices ULTIMA activates at a 50

ULTIMA activates at a 50 mm (2") fluid level and deactivates at a 20 mm (3/4") fluid level

The perfect solution to the troublesome task of installing a PL-259 connector or splicing RG-58 A/U

Less time finding

It is also easy to fabricate with standard woodworking tools and requires little or no finishing

Johnson Pump F4B-9 Impeller Pump OEM - Flange Mount [10-24967-02] Marine Safety | Personal Flotation Devices ULTIMA activates at a 50F4B 9 Impeller Pump OEM Flange Mount Flexible impeller pumps, F series, provide an efficient solution to most raw water pumping needs. The primary advantage of a flexible impeller pump is its self priming ability. As the vanes of the impeller are depressed and rebound, they create their own vacuum drawing fluid into the pump. A dry pump can lift the water up to as much as 3 meters. Thus a flexible impeller pump being used for engine cooling needs not